Spaceflight before 1951

Spaceflight before 1951
	Launch of a V-2 from Peenemünde.
National firsts
Spaceflight	Germany (1944); United States (1946); Soviet Union (1948)
Rockets
Maiden flights	V-2; WAC Corporal; Viking (first model); Bumper; Aerobee RTV-N-8; Aerobee RTV-N-10; Aerobee XASR-SC-1; Aerobee XASR-SC-2; Aerobee RTV-A-1; R-1; R-1A; R-2;
Retirements	Aerobee RTV-N-8; Bumper

Spaceflight as a practical endeavor began during World War 2 with the development of operational liquid fueled rockets. This led to a flourishing of missile designs setting the stage for the exploration of space. Beginning life as a weapon, the V-2 was impressed into peaceful service at America's White Sands Missile Range during the late 40s. By 1950, The United States Navy had evolved the design into the Viking capable of more than 100 miles (160 km) in altitude. The Soviet Union developed a virtual copy of the V-2 called the R-1, which first flew in 1948, and by 1950, its successor, the R-2, was in development. The small American WAC Corporal rocket was evolved into the Aerobee sounding rocket, a space science workhorse of the late 1940s.

Overview

The era of human spaceflight began in 1942 with the development of the V-2 rocket (A-4) rocket by Germany, the first vehicle capable of reaching the 100 kilometres (62 mi) boundary of space (as defined by the World Air Sports Federation).[1] In 1944, the V-2 set an altitude record of 196 kilometres (122 mi).[2]

The post-war years saw rapid development in rocket technology by both superpowers, jumpstarted by the dozens of V-2s and hundreds of German specialists that ended up in the custody of the Soviet Union and the United States.[3]^:216–7[4]^:226[5]^:43 From 1946—7, the United States Army launched 25 captured V-2s on engineering and scientific flights.[4]^:398 The V-2 was also used in early experiments with two-stage rockets: Project Bumper combined the V-2 first stage with the independently developed WAC Corporal as second stage. On 24 February 1949, a Bumper rocket set an altitude record of 417 kilometres (259 mi).[4]^:257–8

The V-2, designed for carrying a warhead horizontally rather than vertical science missions, made an inefficient sounding rocket, while the WAC Corporal was too small to carry much scientific equipment.[4]^:250 In 1946 the US Navy began development of its own heavy sounding rocket, the Viking, derived in part from the V-2.[6]^:21–25 Six had launched by the end of 1950.[6]^:236 The Aerobee was developed from the WAC Corporal to loft lighter payloads. First launched in 1947, the solid/liquid-fuel hybrid rocket quickly secured a reputation for reliability.[4]^:250–1

The Soviet Union also launched 11 captured V-2s in 1947. These flights were followed by the development of the R-1, a copy of the V-2 with modifications intended to improve reliability.[5]^:41 Flight testing of this first Soviet-made liquid-fueled missile began on 13 September 1948,[5]^:129 and the rocket entered military service in 1950.[5]^:135 At the same time, two advanced rockets with ranges of 600 kilometres (370 mi), the German émigré-designed G-1 (or R-10) and the Russian-designed R-2, competed for limited engineering and production staff, the latter winning out by the end of 1949[5]^:65 and being put into service in 1951.[5]^:274 The draft plan for the 3,000 kilometres (1,900 mi) range R-3 was approved on 7 December 1949,[5]^:67 though it was never developed, later designs proving more useful and achievable.[5]^:275–6

Space exploration

Aerobee launch at sea.

With the development of the first generation of purpose-built sounding rockets, the exploration of Earth's upper atmosphere and the nearest reaches of space began in earnest. Aerobee flights in 1948 measured the velocity and density of cosmic rays above 70 miles (110 km). High altitude measurements of the Earth's magnetic field were conducted. The first high quality aerial photographs covering huge swathes of the Earth and large scale cloud formations were returned.[4]^:251 Some 50 Aerobee flights were launched by 1950. Around 10 WAC Corporals were also launched in this period.[7]^:6

Viking 5, launched 21 November 1950 carried a vast array of photomultiplier tubes, ionization chambers and Geiger counters, for the detection radiation across a wide variety of energies and types. The rocket also carried two movie cameras to take high altitude film of the Earth all the way to its peak height of 108 miles (174 km) as well as Pirani gauges to measure air densities in the upper atmosphere.[6]^:148,236 Viking 6, launched 11 December, carried a much lighter payload, but its experiments included a battery of custom built pressure gauges. The rocket underperformed, however, only reaching a maximum altitude of 40 miles (64 km).[6]^{:151–153,236}

The V-2s captured from Germany at the end of World War 2 were also used for scientific missions by the United States and the Soviet Union. By the end of 1950, 63 had been launched by Americans from the White Sands Missile Range in New Mexico, most of them equipped with research instruments.[7]^:6 Three of the V-2s launched by the USSR in 1947 carried 500 kilograms (1,100 lb) experiment packages for measuring cosmic rays at high altitude; at least one returned usable data.[8]^:56 Two Soviet R-1As also carried scientific equipment during test launches, but neither returned usable data.[9]

Launches

Date and time (UTC)	Rocket		Flight number	Launch site		LSP
		Payload (⚀ = CubeSat)	Operator	Orbit	Function	Decay (UTC)	Outcome
		Remarks
1942
13 June - 12 December	V-2			Peenemünde		Wehrmacht

			Wehrmacht	Suborbital	Missile test	Same day	Mixed
		7 V-2 rockets launched on test flights, 3 successfully[10]
1943
7 January - 30 December	V-2			Peenemünde, Heidelager		Wehrmacht

			Wehrmacht	Suborbital	Missile test	Same day	Mixed
		39 V-2 rockets launched on test flights; at least 9 failures[10]
1944
20 June	V-2			Greifswalder Oie		Wehrmacht

		MW 18014[2]	Wehrmacht	Suborbital	Missile test	20 June	Successful
		First artificial object to cross what would later be defined as the Kármán line and hence first spaceflight. Vertical test, apogee: 174.6 kilometres (108.5 mi)
8 September	V-2			Houffalize		Wehrmacht

			Wehrmacht	Suborbital	Missile test	Same day	Successful
		First combat usage of V-2 after more than a hundred test flights; ~3000 combat launches followed[10]
1945
2 October	V-2			Cuxhaven		UK military

				Suborbital		2 October	Successful
		First launch of Operation Backfire; apogee: 69.4 kilometres (43.1 mi)[11]
4 October	V-2			Cuxhaven		UK military

				Suborbital		4 October	Partial failure
		apogee: 17.4 kilometres (10.8 mi) [11]
15 October	V-2			Cuxhaven		UK military

				Suborbital		14 October	Successful
		Press and international observers present; Apogee: 64 kilometres (40 mi)[11]
1946
16 April 21:47	V-2			White Sands – Launch Complex 33		General Electric/U.S. Army

			WSPG[12]	Suborbital	Cosmic Radiation (Applied Physics Laboratory)[13]	16 April	Guidance failure[12]
		First launch of Project Hermes, apogee: 8 kilometres (5.0 mi)
10 May 21:15	V-2			White Sands LC-33		G.E./U.S. Army

			WSPG[12]	Suborbital	Cosmic Radiation (APL),[13] Chemical Release?*[14]	10 May	Successful
		Project Hermes launch, apogee: 112 kilometres (70 mi), First US spaceflight
29 May 21:12	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Cosmic Radiation (APL),[13] Chemical Release?*[14]	29 May	Successful
		Project Hermes launch, apogee: 112 kilometres (70 mi)
13 June 23:40	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Solar radiation, Ionosphere (Naval Radiation Laboratory)[13]	13 June	Successful
		Project Hermes launch, apogee: 117 kilometres (73 mi)
28 June 19:25	V-2			White Sands LC-33		G.E./U.S. Army

			Naval Radiation Laboratory[12]	Suborbital	Cosmic Radiation, Solar Radiation, Pressure, Temperature. Ionosphere[15]^{:336–337 (V-2 NO. 6)}	28 June	Successful
		Project Hermes launch, apogee: 108 kilometres (67 mi)
9 July 19:25	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Cosmic Radiation, Ionosphere (Naval Radiation Laboratory), Biological (Harvard University)[15]^{:338–339 (V-2 NO. 7)}	9 July	Successful
		Project Hermes launch, apogee: 134 kilometres (83 mi)
19 July 19:11	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Ionospheric (NRL)[13]	19 July	Explosion at 28.5 seconds[12]
		Project Hermes launch, apogee: 5 kilometres (3.1 mi)
30 July 19:36	V-2			White Sands LC-33		G.E./U.S. Army

			Applied Physics Laboratory[12]	Suborbital	Cosmic Radiation, Ionosphere (NRL)[15]^{:342–343 (V-2 NO. 9)}	30 July	Successful
		Project Hermes launch, apogee: 167 kilometres (104 mi)
15 August 18:00	V-2			White Sands LC-33		G.E./U.S. Army

			Princeton University[12]	Suborbital	Cosmic Radiation, Ionosphere[15]^{:344 (V-2 NO. 10)}	15 August	Guidance Failure at 13.9 seconds[12]
		Project Hermes launch, apogee: 3 kilometres (1.9 mi)
22 August 17:15	V-2			White Sands LC-33		G.E./U.S. Army

			University of Michigan,[12] ARDC?[16]	Suborbital	Pressure, Density, Ionosphere Aeronomy, Sky Brightness[13]	22 August	Guidance Failure immediately after lift[12]
		Project Hermes launch
10 October 18:02	V-2			White Sands LC-33		G.E./U.S. Army

			NRL[12]	Suborbital	Cosmic Ray, Ionosphere, Pressure-Temperature, Solar Spectroscopy, Ejection of Cosmic Ray Recording Camera[17] Selected seeds (Harvard), Cross jet attenuation transmitter & receiver[15]^{:346–347 (V-2 NO. 12)}	10 October	Successful
		Project Hermes launch, apogee: 164 kilometres (102 mi)
24 October 19:15	V-2			White Sands LC-33		G.E./U.S. Army

			APL[12]	Suborbital	Cosmic & Solar radiation, winds, photography[13]	24 October	Successful, Short burning time (59 sec)[18]
		Project Hermes launch, apogee: 105 kilometres (65 mi), First photo of Earth from space
7 November 20:31	V-2			White Sands LC-33		G.E./U.S. Army

			Princeton University[12]	Suborbital	Cosmic Radiation,[13]	7 November	Guidance Failure at 2 seconds, missile turned sideways, flew horizontal and was destroyed[15]^{:350 (V-2 NO. 14)}
		Project Hermes launch, apogee: 0.39 kilometres (0.24 mi)
21 November 16:55	V-2			White Sands LC-33		G.E./U.S. Army

			Watson Laboratories, University of Michigan,[19] ARDC?[16]	Suborbital	Pressure, Temperature, Ionosphere, Sky Brightness,Voltage breakdown[15]^{:351–352 (V-2 NO. 15)}	21 November	Successful
		Project Hermes launch, apogee: 102 kilometres (63 mi)
5 December 20:08	V-2			White Sands LC-33		G.E./U.S. Army

			NRL [12]	Suborbital	Cosmic & Solar Radiation, Pressure, Temperature, Photography[13]	5 December	Successful, Guidance Problems
		Project Hermes launch, apogee: 167 kilometres (104 mi)
18 December 05:12	V-2			White Sands LC-33		G.E./U.S. Army

		GRENADES	APL[12]	Suborbital	Cosmic Radiation, Meteor research, Biological (National Institute of Health),[13] Chemical release*[14]	18 December	Successful, extraordinary range due to guidance failure[15]^{:354 (V-2 NO. 16)}
		Project Hermes launch, apogee: 187 kilometres (116 mi)
1947
10 January 21:13	V-2			White Sands – Launch Complex 33		G.E./U.S. Army

			NRL[12]	Suborbital	Cosmic Radiation,[13] "Daughter Canister Release (Air Material Command)[15]^{:357–358 (V-2 NO. 18)}	10 January	Successful, Roll at 40 seconds[12]
		Project Hermes launch, apogee: 116 kilometres (72 mi)
24 January 00:22	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Test Guidance System,[12] Hermes A-2 Telemetry System Test[15]^{:359–360 (V-2 NO. 19)}	24 January	Successful
		Project Hermes launch, apogee: 49.88 kilometres (30.99 mi).
20 February 18:16	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom I	Air Materiel Command[12]	Suborbital	Pressure-temperature (University of Michigan), Ionosphere (Air Force Cambridge Research Center, UoM), Sky brightness, Voltage Breakdown measurements (AFCRC), Biological rye, cotton seeds and fruit flies, first animals in space,[20] Blossom parachute recovery of canister (Cambridge Field Station)[15]^{:361–362 (V-2 NO. 20)}	20 February	Successful, Guidance disturbance at 27 sec, Roll at 37.5 sec[12]
		Project Hermes launch, apogee: 109 kilometres (68 mi).
7 March 18:23	V-2			White Sands LC-33		G.E./U.S. Army

			NRL[12]	Suborbital	Cosmic Radiation, Pressure-temperature, Solar Radiation, Ionosphere (NRL), Biological rye, cotton seeds and fruit flies (Harvard)[15]^{:363–365 (V-2 NO. 21)}	7 March	Successful
		Project Hermes launch, apogee: 161 kilometres (100 mi).
1 April 20:10	V-2			White Sands LC-33		G.E./U.S. Army

			APL[12]	Suborbital	Cosmic Radiation, Solar Radiation (APL & Yerkes Observatory), High altitude photography (Gun Sight Aiming Point camera)[15]^{:366–367 (V-2 NO. 22)}	1 April	Successful
		Project Hermes launch, apogee: 129 kilometres (80 mi)
9 April 00:10	V-2			White Sands LC-33		G.E./U.S. Army

			APL[12]	Suborbital	Cosmic Radiation, Solar Radiation, High altitude photography.[15]^{:368–369 (V-23 NO. 20)}	9 April	Successful
		Project Hermes launch, apogee: 103 kilometres (64 mi)
17 April 23:22	V-2			White Sands LC-33		G.E./U.S. Army

		GRENADES	G.E.[12]	Suborbital	Pressure-Temperature: 9 Grenades (Signal Corps Engineering Laboratories)[15]^{:370–371 (V-2 NO. 24)}	17 April	Successful, Roll at 57.5 seconds[12]
		Project Hermes launch, apogee: 140 kilometres (87 mi)
15 May 23:08	V-2			White Sands LC-33		G.E./U.S. Army

			NRL[12]	Suborbital	Density-pressure-temperature grenades (SCEL), (Michigan University), Composition, Cosmic Radiation, Solar Radiation (NRL)[15]^{:374–375 (V-2 NO. 26)}	15 May	Successful, Steering trouble from lift[12]
		Project Hermes launch, apogee: 122 kilometres (76 mi)
29 May[21]	Hermes B-1			White Sands LC-33		G.E./U.S. Army

		Hermes II	G.E.	Suborbital	Missile test of ramjet diffusers called "Organ."[22]	29 May	Missile went South instead of North, landed in Mexico[23]
		Project Hermes launch, apogee: 50 kilometres (31 mi), maiden flight of Hermes II, aka Hermes B-1
10 July 19:18	V-2			White Sands LC-33		G.E./U.S. Army

			NRL[12]	Suborbital	Density-pressure-temperature, Cosmic Radiation, Ionosphere, Simulant agent experiment - Camp Detrick, Indiana, seed containers in control chamber (Harvard College Observatory)[15]^{:363–364 (V-2 NO. 29)}	10 July	Launch failure, Steering trouble from lift[12]
		Project Hermes launch, apogee: 16 kilometres (9.9 mi)
29 July 12:55	V-2			White Sands LC-33		G.E./U.S. Army

			APL[12]	Suborbital	Cosmic Radiation, Solar Radiation, High altitude photography (APL)[15]^{:386–387 (V-2 NO. 30)}	29 July	Successful, Vane #4 ceased to operate at 27 sec[12]
		Project Hermes launch, apogee: 159 kilometres (99 mi)
6 September	V-2			USS Midway, AO-10		U.S. Navy

			U.S. Navy	Suborbital	Missile test	6 September	Launch failure
		Operation Sandy, first shipboard missile launch, apogee: 1 kilometre (0.62 mi)
9 October 19:15	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Density-pressure-temperature, Skin temperature, Composition (University of Michigan), Solar radiation (NRL)[15]^{:386–387 (V-2 NO. 30)}	9 October	Successful, Steering disturbance at 48.4 sec. Roll at 52 sec.[12]
		Project Hermes launch, apogee: 156 kilometres (97 mi)
18 October 07:47	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	28 October	Partial failure
		Apogee: 86 kilometres (53 mi); destroyed during ballistic portion of flight[24]
20 October 07:47	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	20 October	Partial failure
		Apogee: 85 kilometres (53 mi); tore loose from launch stand; flew 180 kilometres (110 mi) left of planned target[24]
23 October 14:05	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	23 October	Launch failure
		Apogee: 14 kilometres (8.7 mi); payload destroyed, rocket disintegrated[24]
28 October 14:05	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	28 October	Successful
		Apogee: 87 kilometres (54 mi)[24]
31 October 13:41	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	31 October	Launch failure
		Apogee: 0 kilometres (0 mi); loss of control on longitudinal axis[24]
2 November 15:14	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	2 November	Successful
		Apogee: 88 kilometres (55 mi)[24]
3 November 12:05	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	3 November	Launch failure
		Apogee: 0 kilometres (0 mi); rolled after launch and lost stabilization[24]
4 November 15:02	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	4 November	Successful
		Apogee: 89 kilometres (55 mi)[24]
10 November 09:39	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	10 November	Launch failure
		Apogee: 11 kilometres (6.8 mi); lost guidance[24]
13 November 08:30	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 November	Successful
		Apogee: 89 kilometres (55 mi)[24]
13 November 14:00	V-2			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 November	Partial failure
		Apogee: 89 kilometres (55 mi); broke up on re-entry[24]
20 November 23:47	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.[12]	Suborbital	Technology development flight for GE.[25]	20 November	Launch failure, Propulsion trouble at 36 sec.[12]
		Apogee: 21 kilometres (13 mi)
24 November 17:20	Aerobee RTV-N-8			White Sands Launch Complex 35		U.S. Navy

			Applied Physics Laboratory[15]^{:Table I, 7.3}	Suborbital		24 November	Launch failure, off course, flight terminated.[26]
		Apogee: 56 kilometres (35 mi)[27]
8 December 21:42	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom II	AMC[12]	Suborbital	Density-pressure-temperature (Michigan University), Skin temperature (Boston University), Solar soft X-rays,Vertical incidence ionosphere propagation, Oblique incidence ionosphere propagation, Aspect project (cameras to be lowered by parachute) (Wright Air Development Center), Sky brightness (AFCRC)[15]^{:379–382 (V-2 NO. 28)}	8 December	Successful
		Project Hermes launch, apogee: 105 kilometres (65 mi)
1948
22 January 20:12	V-2			White Sands – Launch Complex 33		G.E./U.S. Army

			NRL	Suborbital		22 January	Successful
		Project Hermes launch, apogee: 159 kilometres (99 mi)[10]
6 February 17:17	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.	Suborbital		6 February	Successful
		Project Hermes launch, apogee: 113 kilometres (70 mi)[10]
5 March 22:51	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital	Chemical release	5 March	Successful
		Apogee: 118 kilometres (73 mi)[27]
19 March 23:10	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IIA	G.E.	Suborbital		19 March	Launch failure
		Project Hermes launch, apogee: 5.5 kilometres (3.4 mi)[10]
2 April 13:47	V-2			White Sands LC-33		G.E./U.S. Army

			US Army Signal Corps	Suborbital		2 April	Successful
		Project Hermes launch, apogee: 144 kilometres (89 mi)[10]
13 April 21:41	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital		13 April	Successful
		Apogee: 114 kilometres (71 mi)[27]
19 April 19:54	V-2			White Sands LC-33		G.E./U.S. Army

			NRL	Suborbital		19 April	Guidance Failure
		Project Hermes launch, apogee: 56 kilometres (35 mi)[10]
13 May 13:43	Bumper			White Sands LC-33		G.E./U.S. Army

		Bumper 1	G.E.	Suborbital		13 May	Successful
		Maiden flight of Bumper, apogee: 127.6 kilometres (79.3 mi)[28]
27 May 14:15	V-2			White Sands LC-33		G.E./U.S. Army

			APL	Suborbital		27 May	Successful
		Project Hermes launch, apogee: 140 kilometres (87 mi)[10]
11 June 10:22	V-2			White Sands LC-33		G.E./U.S. Army

			AMC	Suborbital		11 June	Launch Failure, Premature Valve Closure
		Project Hermes launch, apogee: 63 kilometres (39 mi)[10]
26 July 16:47	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital		26 July	Successful
		Apogee: 113 kilometres (70 mi)[27]
26 July 18:03	V-2			White Sands LC-33		G.E./U.S. Army

			APL	Suborbital		26 July	Successful, Propulsion issues at 45.2s
		Project Hermes launch, apogee: 97 kilometres (60 mi)[10]
5 August 12:07	V-2			White Sands LC-33		G.E./U.S. Army

			NRL	Suborbital	UV Astronomy Solar X-ray	5 August	Successful
		Project Hermes launch, apogee: 167 kilometres (104 mi)[10]
6 August 1:37	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital	Aeronomy/solar UV	6 August	Successful
		Apogee: 96.6 kilometres (60.0 mi)[27]
19 August 14:45	Bumper			White Sands LC-33		G.E./U.S. Army

		Bumper 2	G.E.	Suborbital		19 August	Launch failure
		Apogee: 13.1 kilometres (8.1 mi)[28]
3 September 01:00	V-2			White Sands LC-33		G.E./U.S. Army

		GRENADES	USASC	Suborbital		3 September	Successful
		Project Hermes launch, apogee: 151 kilometres (94 mi)[10]
17 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	17 September	Launch failure
		Maiden flight of R-1[29]
30 September 15:30	Bumper			White Sands LC-33		G.E./U.S. Army

		Bumper 3	G.E.	Suborbital		30 September	2nd Stage Failure
		Apogee: 150.6 kilometres (93.6 mi)[28]
10 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	10 October	Successful
		Apogee: 100 kilometres (62 mi), first Soviet spaceflight[29]
11 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test, sounding rocket	11 October	Successful
		First Soviet spaceflight with scientific experiments[29]
13 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 October	Successful
		[29]
21 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	21 October	Successful
		[29]
23 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	23 October	Successful
		[29]
1 November 14:24	Bumper			White Sands LC-33		G.E./U.S. Army[28]

		Bumper 4	G.E.	Suborbital		1 November	Tail explosion at 28.5s
		Apogee: 5 kilometres (3.1 mi)
1 November	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	1 November	Successful
		Apogee: 100 kilometres (62 mi)[29]
2 November 00:12	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital	Cosmic radiation, solar radiation and particles	2 November	Successful
		Apogee: 91 kilometres (57 mi)[27]
3 November	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	3 November	Successful
		[29]
4 November	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	4 November	Successful
		[29]
5 November	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	5 November	Successful
		last of nine launches in the first test series[29]
18 November 22:35	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.	Suborbital	Ramjet research	18 November	Successful
		Project Hermes launch, apogee: 145 kilometres (90 mi)[10]
9 December 16:08	V-2			White Sands LC-33		G.E./U.S. Army

			USASC	Suborbital		9 December	Successful
		Project Hermes launch, apogee: 108 kilometres (67 mi)[10]
9 December 22:38	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital	Aeronomy	9 December	Successful
		Apogee: 91 kilometres (57 mi)[27]
1949
14 January 20:26	Hermes B-1			White Sands – Launch Complex 33		U.S. Army

		Hermes II	U.S. Army	Suborbital	Missile test	14 January	Launch failure
		Project Hermes launch, apogee: 1 kilometre (0.62 mi)[30]
28 January 17:20	V-2			White Sands LC-33		G.E./U.S. Army

			NRL	Suborbital	Solar x-ray / ionosphere / aeronomy / biology	28 January	Launch failure
		Blossom launch, apogee: 60 kilometres (37 mi)[30]
29 January 06:17	Aerobee RTV-N-8			White Sands		U.S. Navy

			APL	Suborbital	Radiation, ionospheric	29 January	Successful
		Apogee: 96.6 kilometres (60.0 mi)[27]
1 February 18:38	Aerobee RTV-N-8			White Sands		U.S. Navy

			APL	Suborbital	Solar UV and X-Ray	1 February	Launch Failure
		Apogee: 0 kilometres (0 mi)[27]
17 February 17:00	V-2			White Sands LC-33		G.E./U.S. Army

			APL	Suborbital		17 February	Successful
		Apogee: 100.8 kilometres (62.6 mi)[30]
24 February 22:14	Bumper			White Sands LC-33		G.E./U.S. Army

		Bumper 5	G.E.	Suborbital		24 February	Successful
		Apogee: 393 kilometres (244 mi). The new altitude record.[28]
2 March 00:15	Aerobee RTV-N-8			White Sands LC-35		U.S. Navy

			APL	Suborbital	Test for shipboard launch; dummy payload	2 March	Launch Failure
		Apogee: 0 kilometres (0 mi)[27]
17 March 23:20	Aerobee RTV-N-8			USS Norton Sound, PO-22 LP-1		U.S. Navy

			APL	Suborbital	Ionospheric	17 March	Successful
		Apogee: 105 kilometres (65 mi)[27]
22 March 06:43	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IVA	AMC	Suborbital	Ionospheric	22 March	Successful
		Blossom IVA; apogee: 129 kilometres (80 mi)[30]
22 March 17:20	Aerobee RTV-N-8			USS Norton Sound, PO-22 LP-1		U.S. Navy

			APL	Suborbital	Ionospheric	22 March	Successful
		Apogee: 105 kilometres (65 mi)[27]
24 March 15:14	Aerobee RTV-N-8			USS Norton Sound, PO-22 LP-1		U.S. Navy

			APL	Suborbital	Ionospheric	24 March	Launch failure
		Apogee: 5 kilometres (3.1 mi), pressure valve malfunction, booster separated on ignition[27]
11 April 22:05	V-2			White Sands LC-33		G.E./U.S. Army

			USASC	Suborbital		11 April	Successful
		Apogee: 85 kilometres (53 mi)[30]
22 April 00:17	Bumper			White Sands LC-33		G.E./U.S. Army

		Bumper 6	G.E.	Suborbital		22 April	Launch failure
		Apogee: 50 kilometres (31 mi)[28]
3 May	Viking (first model)			White Sands ALA-1		U.S. Navy

		Viking 1	NRL	Suborbital	Aeronomy Imaging	3 May	Partial launch failure
		Apogee: 83 kilometres (52 mi)[6]^:236[31]
5 May 15:15	V-2			White Sands LC-33		G.E./U.S. Army

			G.E.	Suborbital		5 May	Launch failure
		Apogee: 8.9 kilometres (5.5 mi)[30]
7 May 03:12	R-1A			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	7 May	Successful
		Apogee: 109 kilometres (68 mi), maiden flight of R-1A[9]
10 May 15:57	R-1A			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	10 May	Successful
		[9]
15 May 02:48	R-1A			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	15 May	Successful
		Tested seperable warhead[9]
16 May 21:55	R-1A			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	16 May	Successful
		Tested seperable warhead[9]
24 May 01:40	R-1A			Kapustin Yar		NII-88 Section 3

		FIAR-1	NII-88 Section 3	Suborbital	Missile test/aeronomy	24 May	Partial Failure
		Apogee: 32.9 kilometres (20.4 mi); vertical flight, tested seperable warhead, carried aeronomy experiments that were not recovered[9]
28 May 01:50	R-1A			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	28 May	Partial Failure
		Apogee: 31.9 kilometres (19.8 mi); Final R1-A flight -- vertical flight, tested seperable warhead, carried aeronomy experiments damaged on landing and returned no usable data[9]
2 June 13:10	Aerobee XASR-SC-1			White Sands		U.S. Navy

			APL	Suborbital	Aeronomy	2 June	Successful
		Apogee: 78.4 kilometres (48.7 mi)[27]
14 June 22:35	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IVB	AMC	Suborbital	Biological, Atmospheric	14 June	Successful
		Apogee: 133.9 kilometres (83.2 mi), carried Albert II, first monkey in space[20][32][30]
15 June 02:03	Aerobee RTV-N-8			White Sands		U.S. Navy

			NRL	Suborbital	Ozone research	15 June	Successful
		Apogee: 109 kilometres (68 mi)[27]
17 June 02:03	Aerobee RTV-N-8			White Sands		U.S. Navy

			NRL	Suborbital	classified mission	17 June	Successful
		Apogee: 88 kilometres (55 mi)[27]
23 June 23:21	Aerobee RTV-N-8			White Sands		U.S. Navy

			NRL	Suborbital	Solar, aeronomy	23 June	Successful
		Apogee: 88 kilometres (55 mi)[27]
21 July 16:01	Aerobee XASR-SC-1			White Sands LC-35		U.S. Navy

			APL	Suborbital	Aeronomy	21 July	Successful
		Apogee: 76.1 kilometres (47.3 mi)[27]
6 September 16:57	Viking (first model)			White Sands ALA-1		U.S. Navy

		Viking 2	NRL	Suborbital	Aeronomy Imaging	6 September	Launch failure
		Apogee: 57 kilometres (35 mi)[6]^:236[31]
10 September	R-1			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	10 September
		First flight of second series of tests[29]
11 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	11 September
		[29]
13 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 September
		[29]
14 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	14 September
		[29]
16 September 23:19	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IVC	AMC	Suborbital	Biological	16 September	Launch Failure
		Apogee: 5 kilometres (3.1 mi), carried Albert III[30]
17 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	17 September
		[29]
19 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	19 September
		[29]
20 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	20 September	Launch failure
		[29]
20 September 17:03	Aerobee XASR-SC-1			White Sands LC-35		U.S. Navy

			APL	Suborbital	Aeronomy	20 September	Successful
		Apogee: 58.6 kilometres (36.4 mi)[27]
23 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	23 September	Launch failure
25 September 11:16	R-2E			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	25 September	Successful
		Maiden flight of R-2E -- a modifed R-1 missile to test R-2 concepts: integral fuel tank and seperable warhead[33]
28 September	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	28 September
		[29]
29 September 16:58	V-2			White Sands LC-33		G.E./U.S. Army

			NRL	Suborbital		29 September	Successful
		Apogee: 151.1 kilometres (93.9 mi)[30]
30 September 11:49	R-2E			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	30 September	Successful
		[33]
2 October 11:00	R-2E			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	2 October	Partial failure
		Fire in tail compartment[33]
3 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	3 October
		[29]
6 October	Hermes B-1			White Sands LC-33		U.S. Army

		Hermes II	U.S. Army	Suborbital	Missile test	6 October	Launch failure
		Project Hermes launch, apogee: 4 kilometres (2.5 mi)[30]
8 October 06:05	R-2E			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	8 October	Successful
		[33]
8 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	8 October
		[29]
10 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	10 October
		[29]
11 October 12:45	R-2E			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	11 October	Partial failure
		Fire in tail compartment, last of five R-2E launches[33]
12 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	12 October
		[29]
13 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 October
		[29]
13 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	13 October
		[29]
15 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	15 October
		[29]
18 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	18 October
		[29]
19 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	19 October
		[29]
22 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	22 October
		[29]
23 October	R-1			Kapustin Yar		NII-88 Section 3

			NII-88 Section 3	Suborbital	Missile test	23 October
		Last of second series of twenty firings (14 successes, 6 failures)[29]
18 November 16:03	V-2			White Sands LC-33		G.E./U.S. Army

		GRENADES	USASC	Suborbital		18 November	Successful
		Apogee: 124.2 kilometres (77.2 mi)[30]
2 December 22:20	Aerobee RTV-A-1			Holloman Holloman AFB Launch Complex A\|LC-A		U.S.A.F.

			U.S.A.F.	Suborbital	Solar, imaging, aeronomy	2 December	Successful
		Apogee: 96 kilometres (60 mi)[27]
6 December 18:32	Aerobee XASR-SC-1			White Sands LC-35		U.S. Army

			U.S. Army	Suborbital	Air sampling aeronomy mission	6 December	Successful
		Apogee: 64.9 kilometres (40.3 mi)[27]
7 December 00:16	Aerobee XASR-SC-1			White Sands LC-35		U.S. Army

			U.S. Army	Suborbital	Air sampling aeronomy mission	7 December	Successful
		Apogee: 60 kilometres (37 mi)[27]
8 December 19:15	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IVD	AMC	Suborbital	Biological	8 December	Successful
		Apogee: 127 kilometres (79 mi), carried Albert IV[30]
15 December 17:10	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			APL	Suborbital	Solar, imaging, aeronomy	15 December	Launch failure
		Apogee: 0 kilometres (0 mi)[27]
1950
15 January 23:45	Aerobee RTV-N-10			Bering Sea		U.S. Navy

			Applied Physics Laboratory	Suborbital	Particle physics	15 January	Successful
		Ship-launched; Apogee: 72 kilometres (45 mi)[27]
18 January 23:17	Aerobee RTV-N-10			Bering Sea		U.S. Navy

			APL	Suborbital	Particle physics	18 January	Successful
		Ship-launched; Apogee: 80 kilometres (50 mi)[27]
9 February 21:44	Viking (first model)			White Sands ALA-1		U.S. Navy

		Viking 3	NRL	Suborbital	Solar Imaging	9 February	Launch failure
		Veered off-course, failed to reach space, apogee: 80.5 kilometres (50.0 mi)[6]^:236[31]
14 February 23:14	Aerobee RTV-N-8			White Sands – Launch Complex 33		U.S. Navy

			APL	Suborbital	Cosmic gamma Ionosphere mission	14 February	Successful
		Apogee: 87.6 kilometres (54.4 mi)[27]
17 February 18:00	V-2			White Sands LC-33		G.E./U.S. Army

			NRL	Suborbital		17 February	Successful
		Apogee: 148 kilometres (92 mi)[30]
22 February 00:54	Aerobee XASR-SC-1			White Sands LC-35		U.S. Army

			U.S. Army	Suborbital	Aeronomy	22 February	Successful
		Apogee: 87.6 kilometres (54.4 mi)[27]
4 March 00:36	Aerobee XASR-SC-1			White Sands LC-35		U.S. Army

			U.S. Army	Suborbital	Aeronomy	4 March	Successful
		Apogee: 72.4 kilometres (45.0 mi)[27]
14 March 20:43	Aerobee RTV-A-1			Holloman LC-A		U.S.A.F.

			U.S.A.F.	Suborbital	Solar radiation	14 March	Launch failure
		Apogee: 3.2 kilometres (2.0 mi)[27]
26 April 01:11	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Atmospheric	26 April	Successful
		Apogee: 99.5 kilometres (61.8 mi)[27]
12 May 03:08	Viking (first model)			USS Norton Sound, PO-8		U.S. Navy

		Viking 4	U.S. Navy	Suborbital	Ionospheric Aeronomy	12 May	Successful
		Apogee: 171 kilometres (106 mi)[6]^:236[31]
12 May 12:30	Aerobee RTV-N-10			White Sands LC-35		U.S. Navy

			APL	Suborbital	Particle physics	12 May	Successful
		Ship-launched; Apogee: 88.1 kilometres (54.7 mi)[27]
26 May 19:43	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			U.S.A.F.	Suborbital	Solar radiation	26 May	Successful
		Apogee: 67.6 kilometres (42.0 mi)[27]
2 June 17:07	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			U.S.A.F.	Suborbital	Solar radiation	2 June	Successful
		Apogee: 67.6 kilometres (42.0 mi)[27]
20 June 15:38	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			U.S.A.F.	Suborbital	aeronomy	20 June	Successful
		Apogee: 92.6 kilometres (57.5 mi)[27]
14 July 08:39	Aerobee XASR-SC-1			White Sands LC-35		U.S. Army

			U.S. Army	Suborbital	Aeronomy	14 July	Successful
		Apogee: 69.2 kilometres (43.0 mi)[27]
24 July 14:29	Bumper			Cape Canaveral Launch Complex 3		G.E./U.S. Army

		Bumper 8	G.E.	Suborbital	Test	24 July	Launch failure
		First missile launch from Cape Canaveral; apogee: 20 kilometres (12 mi)[28]
29 July 11:25	Bumper			Cape Canaveral Launch Complex 3		G.E./U.S. Army

		Bumper 8	G.E.	Suborbital	Test	29 July	Launch failure
		Apogee: 50 kilometres (31 mi)[28]
17 August 15:45	Aerobee RTV-N-10			White Sands LC-35		U.S. Navy

			APL	Suborbital	Spectrometry	17 August	Successful
		Apogee: 101 kilometres (63 mi)[27]
31 August 17:09	V-2			White Sands LC-33		G.E./U.S. Army

		Blossom IVG	AMC	Suborbital	Biological	31 August	Successful
		Apogee: 137 kilometres (85 mi), carried a mouse[30]
1 October	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 October	Partial failure
		maiden flight of R-2 prototype missile; missed target[34]
1 October	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 October	Partial failure
		missed target[34]
12 October 19:36	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			U.S.A.F.	Suborbital	Photography	12 October	Successful
		Apogee: 91.3 kilometres (56.7 mi)[27]
17 October 04:00	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	17 October	Successful
		Apogee: 80.5 kilometres (50.0 mi)[27]
18 October 04:30	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	18 October	Successful
		Apogee: 85 kilometres (53 mi)[27]
21 October	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	21 October	Partial Failure
		missed target[34]
26 October 23:02	V-2			White Sands LC-33		G.E./U.S. Army

			Ballistic Research Laboratory	Suborbital		26 October	Launch Failure
		Apogee: 8.1 kilometres (5.0 mi)[30]
27 October 13:30	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	27 October	Successful
		Apogee: 80.2 kilometres (49.8 mi)[27]
1 November	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 November	Partial failure
		Missed target[34]
1 November	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 November	Partial failure
		Missed target[34]
1 November	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 November	Partial failure
		Missed target[34]
1 November	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 November	Partial failure
		Missed target[34]
1 November	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 November	Partial failure
		missed target[34]
2 November 16:29	Aerobee RTV-A-1			Holloman AFB Launch Complex A		U.S.A.F.

			U.S.A.F.	Suborbital	Air glow research	2 November	Successful
		Apogee: 91.8 kilometres (57.0 mi)[27]
9 November	Hermes B-1			White Sands LC-33		U.S. Army

		Hermes II	U.S. Army	Suborbital	Missile test	9 November	Partial Success[35]
		Project Hermes launch, apogee: 150 kilometres (93 mi)Apogee: 80.2 kilometres (49.8 mi)
21 November 17:18	Viking (first model)			White Sands ALA-1		U.S. Navy

		Viking 5	NRL	Suborbital	Solar Ionospheric	21 November	Successful
		Apogee: 174 kilometres (108 mi)[6]^:236[31]
1 December	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 December	Partial failure
		Missed target[34]
1 December	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 December	Partial failure
		Missed target[34]
1 December	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	1 December	Partial failure
		Missed target[34]
11 December 17:04	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	11 December	Successful
		Apogee: 83.9 kilometres (52.1 mi)[27]
12 December 04:06	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	12 December	Successful
		Apogee: 84 kilometres (52 mi)[27]
12 December 07:04	Viking (first model)			White Sands ALA-1		U.S. Navy

		Viking 6	U.S. Navy	Suborbital		12 December	Launch failure
		Apogee: 64 kilometres (40 mi)[6]^:236[31]
12 December 09:10	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	12 December	Successful
		Apogee: 77 kilometres (48 mi)[27]
12 December 18:26	Aerobee RTV-A-1			Holloman AFB Launch Complex A		ARDC

			ARDC	Suborbital		12 December	Successful
		Apogee: 106 kilometres (66 mi)[27]
19 December 18:52	Aerobee XASR-SC-2			White Sands LC-35		U.S. Navy

			U.S. Army	Suborbital	Aeronomy	19 December	Successful
		Apogee: 81.9 kilometres (50.9 mi)[27]
20 December	R-2			Kapustin Yar		OKB-1

			OKB-1	Suborbital	Missile test	20 December	Partial failure
		Final flight of 12 mission prototype series; missed target[34]

Suborbital launch summary (1945-1950)

By country

Country	Launches	Successes	Failures	Partial failures
United Kingdom	3	2	1	0
Soviet Union	63	33	19	11
United States	132	82	16	34

By rocket

18

36

54

72

90

Rocket	Country	Launches	Successes	Failures	Partial failures	Remarks
V-2	United States	72	37	15	20	Maiden flight
Bumper	United States	8	2	0	6	Maiden flight
Viking (first model)	United States	6	2	1	3	Maiden flight
Aerobee RTV-N-8	United States	17	14	0	3	Maiden flight, retired
Aerobee RTV-N-10	United States	4	4	0	0	Maiden flight
Aerobee XASR-SC-1	United States	8	8	0	0	Maiden flight
Aerobee XASR-SC-2	United States	8	8	0	0	Maiden flight
Aerobee RTV-A-1	United States	9	7	0	2	Maiden flight
V-2	United Kingdom	3	2	1	0	Maiden flight
V-2	Soviet Union	11	4	3	4	Maiden flight, retired
R-1	Soviet Union	29	22	0	7	Maiden flight
R-1A	Soviet Union	6	4	2	0	Maiden flight
R-2	Soviet Union	5	3	2	0	Maiden flight

References

Voosen, Paul (24 July 2018). "Outer space may have just gotten a bit closer". Science. doi:10.1126/science.aau8822. Retrieved 1 April 2019.
Louis de Gouyon Matignon. "Peenemünde and the German V-2 rockets". Space Legal Issues. Retrieved 13 December 2020.
Dieter K. Kuzel (1962). Peenemünde to Canaveral. United States of America: Prentice Hall.
Willy Ley (June 1951). Rockets, Missiles, and Space Travel. Dominion of Canada: Viking Press. OCLC 716327624.
Boris Chertok (June 2006). Rockets and People, Volume II: Creating a Rocket Industry. Washington D.C.: NASA. OCLC 946818748.
Milton W. Rosen (1955). The Viking Rocket Story. New York: Harper & Brothers. OCLC 317524549.
George Ludwig (2011). Opening Space Research. Washington D.C.: geopress. OCLC 845256256.
Asif A. Siddiqi. Challenge to Apollo: The Soviet Union and the Space Race, 1945-1974 (PDF). Washington D.C.: NASA. OCLC 1001823253.
Wade, Mark. "R-1A". Retrieved 6 December 2020.
Wade, Mark. "V-2". Retrieved 7 December 2020.
Report on operation 'Backfire' Recording and analysis of the trajectory. 5. Ministry of Supply. January 1946. pp. 9–11.
White, L. D. (September 1952). Final Report,Project Hermes V-2 Missile Program. Schnectady, New York: Guided Missile Department, Aeronautic and Ordnance Systems Division, Defense Products Group, General Electric. p. Table I.
Kennedy, Gregory P. (2009). The Rockets and Missiles of White Sands Proving Ground. Atglen, PA.: Schiffer Publishing, Ltd. p. 159. ISBN 978-0-7643-3251-7.
I have found no evidence that a chemical release experiment was flown. Chemical release is usually done to conduct aeronomy or wind studies.
Smith, Charles P. Jr. (February 1958). Naval Research Laboratory Report No. 4276 Upper Atmospheric Research Report Number XXI, Summary of Upper Atmosphere Rocket Research Firings (pdf). Washington D.C.: Naval Research Laboratory. Retrieved 9 March 2016.
Kennedy list the Agency for this flight as ARDC while White does not as the Air Research and Development Command did not exist until 1950 kennedy may have confused ARDC with the AAF Technical Service Command, the Air Technical Service Command, or the Air Materiel Command.
Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 (pdf). Washington D.C.: Naval Research Laboratory. pp. 11, 91.
Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 (PDF). Washington D.C.: Naval Research Laboratory. p. Table I. Archived from the original (pdf) on 6 September 2017.
Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 Upper Atmospheric Research Report Number II (pdf). Washington D.C.: Naval Research Laboratory. pp. Table I. Retrieved 8 March 2016.
"Part 1: 1900 – 1950". Chronology of Human Space Exploration. I-Spy Space.
Newell & Siry, Neufeld, and Kennedy agree that the launch was on 29 May.
Neufeld, Michael J. (2007). Von Braun, Dreamer of Space, Engineer of War. New York: Vintage Books. p. 239. ISBN 978-0-307-38937-4.
Kennedy, Gregory P. (2009). The Rockets and Missiles of White Sands Proving Ground. Atglen, PA.: Schiffer Publishing, Ltd. p. 57. ISBN 978-0-7643-3251-7.
Wade, Mark. "Kapustin Yar V-2". Retrieved 7 December 2020.
Wade, Mark. "1947". Encyclopedia Astronautica. Archived from the original on 8 November 2013. Retrieved 3 March 2016.
Van Allen, James A. & Townsend, Jr. (1959). "Chapter 4:The Aerobee Rocket". In Newell, Homer E. (ed.). Sounding Rockets. McGraw-Hill Book Company. pp. 61–62.
Wade, Mark. "Aerobee". Retrieved 8 December 2020.
Wade, Mark. "BUMPER-WAC". Retrieved 13 December 2020.
Wade, Mark. "R-1". Retrieved 6 December 2020.
Wade, Mark. "White Sands LC33". Retrieved 7 December 2020.
Wade, Mark. "Viking Sounding Rocket". Retrieved 7 January 2021.
Wade, Mark. "V-2 Chronology". Encyclopedia Astronautica.
Wade, Mark. "R-2E". Retrieved 7 December 2020.
Wade, Mark. "R-2". Retrieved 7 December 2020.
Neufeld, Michael J. (2007). Von Braun, Dreamer of Space, Engineer of War. New York: Vintage Books. p. 249. ISBN 978-0-307-38937-4.

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[ScienceJul2018-1] Voosen, Paul (24 July 2018). "Outer space may have just gotten a bit closer". Science. doi:10.1126/science.aau8822. Retrieved 1 April 2019.

[spacelegal-2] Louis de Gouyon Matignon. "Peenemünde and the German V-2 rockets". Space Legal Issues. Retrieved 13 December 2020.

[peen-3] Dieter K. Kuzel (1962). Peenemünde to Canaveral. United States of America: Prentice Hall.

[rmst-4] Willy Ley (June 1951). Rockets, Missiles, and Space Travel. Dominion of Canada: Viking Press. OCLC 716327624.

[ranp-5] Boris Chertok (June 2006). Rockets and People, Volume II: Creating a Rocket Industry. Washington D.C.: NASA. OCLC 946818748.

[vikingstory-6] Milton W. Rosen (1955). The Viking Rocket Story. New York: Harper & Brothers. OCLC 317524549.

[Ludwig-7] George Ludwig (2011). Opening Space Research. Washington D.C.: geopress. OCLC 845256256.

[challenge-8] Asif A. Siddiqi. Challenge to Apollo: The Soviet Union and the Space Race, 1945-1974 (PDF). Washington D.C.: NASA. OCLC 1001823253.

[astror1A-9] Wade, Mark. "R-1A". Retrieved 6 December 2020.

[astrov2-10] Wade, Mark. "V-2". Retrieved 7 December 2020.

[backfireR-11] Report on operation 'Backfire' Recording and analysis of the trajectory. 5. Ministry of Supply. January 1946. pp. 9–11.

[White,_Table_I-12] White, L. D. (September 1952). Final Report,Project Hermes V-2 Missile Program. Schnectady, New York: Guided Missile Department, Aeronautic and Ordnance Systems Division, Defense Products Group, General Electric. p. Table I.

[Kennedy_2009_159-13] Kennedy, Gregory P. (2009). The Rockets and Missiles of White Sands Proving Ground. Atglen, PA.: Schiffer Publishing, Ltd. p. 159. ISBN 978-0-7643-3251-7.

[ReferenceA-14] I have found no evidence that a chemical release experiment was flown. Chemical release is usually done to conduct aeronomy or wind studies.

[NRL4276-15] Smith, Charles P. Jr. (February 1958). Naval Research Laboratory Report No. 4276 Upper Atmospheric Research Report Number XXI, Summary of Upper Atmosphere Rocket Research Firings (pdf). Washington D.C.: Naval Research Laboratory. Retrieved 9 March 2016.

[kennedy_confused-16] Kennedy list the Agency for this flight as ARDC while White does not as the Air Research and Development Command did not exist until 1950 kennedy may have confused ARDC with the AAF Technical Service Command, the Air Technical Service Command, or the Air Materiel Command.

[17] Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 (pdf). Washington D.C.: Naval Research Laboratory. pp. 11, 91.

[18] Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 (PDF). Washington D.C.: Naval Research Laboratory. p. Table I. Archived from the original (pdf) on 6 September 2017.

[19] Newell, H. E. Jr.; Siry, J. W. (30 December 1946). Naval Research Laboratory Report No. R-3030 Upper Atmospheric Research Report Number II (pdf). Washington D.C.: Naval Research Laboratory. pp. Table I. Retrieved 8 March 2016.

[ispyspace.com-20] "Part 1: 1900 – 1950". Chronology of Human Space Exploration. I-Spy Space.

[21] Newell & Siry, Neufeld, and Kennedy agree that the launch was on 29 May.

[22] Neufeld, Michael J. (2007). Von Braun, Dreamer of Space, Engineer of War. New York: Vintage Books. p. 239. ISBN 978-0-307-38937-4.

[Kennedy_2009_27-23] Kennedy, Gregory P. (2009). The Rockets and Missiles of White Sands Proving Ground. Atglen, PA.: Schiffer Publishing, Ltd. p. 57. ISBN 978-0-7643-3251-7.

[astrorv2-24] Wade, Mark. "Kapustin Yar V-2". Retrieved 7 December 2020.

[25] Wade, Mark. "1947". Encyclopedia Astronautica. Archived from the original on 8 November 2013. Retrieved 3 March 2016.

[26] Van Allen, James A. & Townsend, Jr. (1959). "Chapter 4:The Aerobee Rocket". In Newell, Homer E. (ed.). Sounding Rockets. McGraw-Hill Book Company. pp. 61–62.

[astroaer-27] Wade, Mark. "Aerobee". Retrieved 8 December 2020.

[astrobumper-28] Wade, Mark. "BUMPER-WAC". Retrieved 13 December 2020.

[astror1-29] Wade, Mark. "R-1". Retrieved 6 December 2020.

[hermes-30] Wade, Mark. "White Sands LC33". Retrieved 7 December 2020.

[astroviking-31] Wade, Mark. "Viking Sounding Rocket". Retrieved 7 January 2021.

[32] Wade, Mark. "V-2 Chronology". Encyclopedia Astronautica.

[astror2E-33] Wade, Mark. "R-2E". Retrieved 7 December 2020.

[astror2-34] Wade, Mark. "R-2". Retrieved 7 December 2020.

[35] Neufeld, Michael J. (2007). Von Braun, Dreamer of Space, Engineer of War. New York: Vintage Books. p. 249. ISBN 978-0-307-38937-4.

Timeline of spaceflight
Spaceflight before 1951
1950s	1950 1951 1952 1953 1954 1955 1956 1957 1958 1959
1960s	1960 1961 1962 1963 1964 1965 1966 1967 1968 1969
1970s	1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
1980s	1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
1990s	1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
2000s	2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
2010s	2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
2020s	2020 2021 2022 2023 2024 2025 2026 2027 2028 2029

Spaceflight before 1951

Overview

Space exploration

Launches

1942

1943

1944

1945

1946

1947

1948

1949

1950

Suborbital launch summary (1945-1950)

By country

By rocket

See also

References