List of Thor and Delta launches (1957–1959)

Between 1957 and 1959, there were 79 Thor missiles launched, of which 51 were successful, giving a 64.5% success rate.

Main article: List of Thor and Delta launches
List of Thor and Delta launches
1957–1959 · 1960–1969 · 1970–1979 · 1980–1989 · 1990–1999 · 2000–2009 · 2010–2019 · 2020–2029

Launch statistics

Rocket configurations

10
20
30
40
50
  •   Thor DM
  •   Thor-Agena

Launch sites

10
20
30
40
50
1957
'58
'59
  •   Cape Canaveral LC-17A
  •   Cape Canaveral LC-17B
  •   Cape Canaveral LC-18B
  •   Vandenberg LC-75
  •   Arguello LC-1-1 (Vandenberg SLC-3)

Launch outcomes

10
20
30
40
50
1957
'58
'59
  •   Success
  •   Partial Failure
  •   Failure

1957

There were 9 Thor missiles launched in 1957. 4 of the 9 launches were successful, giving a 44.4% success rate.

Date/Time
(UTC)		 Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1957-01-26 Thor DM-18 Thor 101 CCAFS LC-17B Missile test Suborbital Failure Maiden flight of Thor, first launch from LC-17. Contaminated LOX caused loss of thrust at liftoff. Vehicle fell back onto the pad and exploded.
1957-04-20
04:33		 Thor DM-18 Thor 102 CCAFS LC-17B Missile test Suborbital Failure RSO sent a mistaken destruct command at T+35 seconds due to an incorrect console readout.
1957-08-30 Thor DM-18 Thor 104 CCAFS LC-17A Missile test Suborbital Failure First launch from LC-17A. Control malfunction led to missile breakup at T+92 seconds.
1957-09-20 Thor DM-18 Thor 105 CCAFS LC-17B Missile test Suborbital Success
1957-10-03
17:14		 Thor DM-18 Thor 107 CCAFS LC-17A Missile test Suborbital Failure Stuck valve prevented the gas generator from starting. Missile fell back onto the pad and exploded.
1957-10-11
16:33		 Thor DM-18 Thor 108 CCAFS LC-17B Missile test Suborbital Failure Turbopump failure at T+152 seconds. Flight considered a "partial success".
1957-10-24
16:32		 Thor DM-18 Thor 109 CCAFS LC-17A Missile test Suborbital Success
1957-12-07
22:11		 Thor DM-18 Thor 112 CCAFS LC-17B Missile test Suborbital Success
1957-12-19
20:12		 Thor DM-18 Thor 113 CCAFS LC-17A Missile test Suborbital Success

1958

There were 20 Thor missiles launched in 1958. 8 of the 20 launches were successful, giving a 40% success rate.

Date/Time
(GMT)		 Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1958-01-28
20:16		 Thor DM-18 Thor 114 CCAFS LC-17A Missile test Suborbital Failure Electrical malfunction led to control failure. RSO T+152 seconds.
1958-02-28
13:08		 Thor DM-18 Thor 120 CCAFS LC-17B Missile test Suborbital Failure Premature engine shutdown at T+109 seconds.
1958-04-19
13:30		 Thor DM-18 Thor 121 CCAFS LC-17B Missile test Suborbital Failure Missile lost thrust and fell back onto the pad, exploding. Suspected fuel line obstruction.
1958-04-24
00:10		 Thor DM-18 Able Thor 116 CCAFS LC-17A RTV test Suborbital Failure Maiden flight of Thor-Able. Turbopump failure T+146 seconds.
1958-06-04
21:17		 Thor DM-18 Thor 115 CCAFS LC-18B Missile test Suborbital Success First launch from LC-18B
1958-06-13
15:06		 Thor DM-18 Thor 122 CCAFS LC-17B Missile test Suborbital Success
1958-07-10
15:06		 Thor DM-18 Able Thor 118 CCAFS LC-17A RTV test Suborbital Success
1958-07-13
06:36		 Thor DM-18 Thor 123 CCAFS LC-17B Missile test Suborbital Success Performance was normal through the boost phase, but the BECO and warhead separation signals were never received.
1958-07-23
22:13		 Thor DM-18 Able Thor 119 CCAFS LC-17A RTV test Suborbital Success Biological nose cone containing a mouse. The nose cone sank into the ocean and was not recovered.
1958-07-26
06:40		 Thor DM-18 Thor 126 CCAFS LC-17B Missile test Suborbital Failure LOX valve malfunction led to loss of thrust and vehicle breakup at T+55 seconds
1958-08-06 Thor DM-18 Thor 117 CCAFS LC-18B Missile test Suborbital Success Final flight of Thor DM-18 missile
1958-08-17
12:18		 Thor DM-18 Able-I Thor 127 CCAFS LC-17A Pioneer 0 Lunar orbiter High Altitude Failure Maiden flight of Thor-Able I. First use of a Thor-based vehicle for an orbital launch. Turbopump failure, T+73,6 seconds.
1958-10-11
08:42:13		 Thor DM-18 Able-I Thor 130 CCAFS LC-17A Pioneer 1 Lunar orbiter High Altitude Failure Third stage underperformed
1958-11-05
08:53		 Thor DM-18A Thor 138 CCAFS LC-17B Missile test Suborbital Failure Maiden flight of Thor DM-18A. Flight control failure. RSO T+45 seconds.
1958-11-08
08:42:13		 Thor DM-18 Able-I Thor 129 CCAFS LC-17A Pioneer 2 Lunar orbiter High Altitude Failure Third stage failed to ignite
1958-11-26
09:09		 Thor DM-18A Thor 140 CCAFS LC-17B Missile test Suborbital Partial failure Loss of guidance system power caused the missile to overshoot its target point by 22 miles.
1958-12-06
00:41		 Thor DM-18A Thor 145 CCAFS LC-18B Missile test Suborbital Partial failure LOX tank pressurization failure led to loss of thrust. Missile impacted 20 miles short of the target point.
1958-12-16
23:44:45		 Thor DM-18A Thor 151 VAFB LC-75-1-1 Missile test Suborbital Success First Thor launch from Vandenberg AFB
1958-12-17
04:00		 Thor DM-18A Thor 146 CCAFS LC-17B Missile test Suborbital Success
1958-12-31
02:00		 Thor DM-18A Thor 138 CCAFS LC-18B Missile test Suborbital Failure Flight control failure. RSO T+40 seconds.

1959

There were 50 Thor missiles launched in 1959. 39 of the 50 launches were successful, giving a 78% success rate.

Date/Time
(UTC)		 Rocket S/N Launch Site Payload Function Orbit Outcome Remarks
1959-01-23 Thor DM-18 Able-II Thor 128 CCAFS LC-17A RVX test Suborbital Failure Thor portion of flight successful. Staging failed due to an electrical malfunction. Vehicle fell into the Atlantic Ocean.
1959-01-30
23:53		 Thor DM-18A Thor 154 CCAFS LC-17B Missile test Suborbital Success
1959-02-28
07:58		 Thor DM-18 Able-II Thor 131 CCAFS LC-17A RVX test Suborbital Success
1959-02-28
21:49:16		 Thor DM-18 Agena-A Thor 163
Agena 1022		 VAFB LC-75-3-4 Discoverer 1 Reconnaissance LEO Failure Maiden flight of Thor-Agena. Agena telemetry lost T+730 seconds. Fate of the payload unknown, but generally presumed to have impacted somewhere in Antarctica.
1959-03-21
06:19		 Thor DM-18 Able-II Thor 132 CCAFS LC-17A RVX test Suborbital Success
1959-03-22
00:58		 Thor DM-18A Thor 158 CCAFS LC-18B Missile test Suborbital Success
1959-03-27
04:02		 Thor DM-18A Thor 162 CCAFS LC-17B Missile test Suborbital Success
1959-04-08
06:35		 Thor DM-18 Able-II Thor 133 CCAFS LC-17A RVX test Suborbital Success
1959-04-13
21:18:39		 Thor DM-18 Agena-A Thor 170
Agena 1018		 VAFB LC-75-3-4 Discoverer 2 Reconnaissance LEO Success
1959-04-16
20:46		 Thor DM-18A Thor 161 VAFB LC-75-2-8 Missile test Suborbital Success
1959-04-23
05:30		 Thor DM-18A Thor 176 CCAFS LC-17B Missile test Suborbital Success
1959-04-25
05:00		 Thor DM-18A Thor 164 CCAFS LC-18B Missile test Suborbital Success
1959-05-12
17:35		 Thor DM-18A Thor 187 CCAFS LC-17B Missile test Suborbital Success
1959-05-21
06:40		 Thor DM-18 Able-II Thor 135 CCAFS LC-17A RVX test Suborbital Success
1959-05-23
02:42		 Thor DM-18A Thor 184 CCAFS LC-18B Missile test Suborbital Success
1959-06-03
20:09:20		 Thor DM-18 Agena-A Thor 174
Agena 1020		 VAFB LC-75-3-4 Discoverer 3 Reconnaissance LEO Failure Agena attitude control malfunction pointed the stage in the wrong direction, sending it into the Pacific Ocean rather than orbit.
1959-06-11
06:44		 Thor DM-18 Able-II Thor 137 CCAFS LC-17A RVX test Suborbital Success
1959-06-16
21:45		 Thor DM-18A Thor 191 VAFB LC-75-2-7 Missile test Suborbital Failure Pitch and roll program failed to initiate. RSO T+50 seconds.
1959-06-25
22:47:45		 Thor DM-18 Agena-A Thor 179
Agena 1023		 VAFB LC-75-3-5 Discoverer 4 Reconnaissance LEO Failure Agena developed insufficient thrust to attain orbital velocity.
1959-06-26 Thor DM-18A Thor 198 CCAFS LC-18B Missile test Suborbital Success
1959-06-30
02:37		 Thor DM-18A Thor 194 CCAFS LC-17B Missile test Suborbital Success
1959-07-21
07:33		 Thor DM-18A Thor 203 CCAFS LC-17B Missile test Suborbital Failure Pitch and roll program failed to initiate. RSO T+40 seconds.
1959-07-24
12:47		 Thor DM-18A Thor 202 CCAFS LC-18B Missile test Suborbital Success
1959-08-03
21:41		 Thor DM-18A Thor 175 VAFB LC-75-1-1 Missile test Suborbital Success
1959-08-06
02:48		 Thor DM-18A Thor 208 CCAFS LC-17B Missile test Suborbital Success
1959-08-07
14:24:20		 Thor DM-18 Able-III Thor 134 CCAFS LC-17A Explorer 6 Radiation HEO Success
1959-08-13
19:00:08		 Thor DM-18 Agena-A Thor 192
Agena 1029		 VAFB LC-75-3-4 Discoverer 5 Reconnaissance LEO Success
1959-08-14
09:00		 Thor DM-18A Thor 204 CCAFS LC-18B Missile test Suborbital Success
1959-08-14
19:36:04		 Thor DM-18A Thor 190 VAFB LC-75-2-6 Missile test Suborbital Partial failure Premature propellant depletion. Planned range not achieved.
1959-08-19
19:24:44		 Thor DM-18 Agena-A Thor 200
Agena 1028		 VAFB LC-75-3-5 Discoverer 6 Reconnaissance LEO Success
1959-08-27
12:30		 Thor DM-18A Thor 216 CCAFS LC-17B Missile test Suborbital Success
1959-09-12 Thor DM-18A Thor 217 CCAFS LC-18B Missile test Suborbital Success
1959-09-17
14:34		 Thor DM-18 Able-II Thor 136 CCAFS LC-17A Transit 1A Navigation LEO Failure Third stage malfunctioned
1959-09-17
21:09		 Thor DM-18A Thor 228 VAFB LC-75-1-2 Missile test Suborbital Success
1959-09-22
18:00		 Thor DM-18A Thor 222 CCAFS LC-17B Missile test Suborbital Success
1959-10-06
16:41		 Thor DM-18A Thor 235 CCAFS LC-18B Missile test Suborbital Success
1959-10-06
18:26		 Thor DM-18A Thor 239 VAFB LC-75-2-8 Missile test Suborbital Success
1959-10-14
04:15		 Thor DM-18A Thor 221 CCAFS LC-17B Missile test Suborbital Success
1959-10-21
22:57		 Thor DM-18A Thor 220 VAFB LC-75-1-1 Missile test Suborbital Success
1959-10-29
02:12		 Thor DM-18A Thor 230 CCAFS LC-18B Missile test Suborbital Success
1959-11-03 Thor DM-18A Thor 238 CCAFS LC-17B Missile test Suborbital Success
1959-11-07
20:28:41		 Thor DM-18 Agena-A Thor 206
Agena 1051		 VAFB LC-75-3-4 Discoverer 7 Reconnaissance LEO Success
1959-11-12
19:24		 Thor DM-18A Thor 181 VAFB LC-75-1-2 Missile test Suborbital Success
1959-11-19 Thor DM-18A Thor 244 CCAFS LC-17B Missile test Suborbital Success
1959-11-20
19:25:24		 Thor DM-18 Agena-A Thor 212
Agena 1050		 VAFB LC-75-3-5 Discoverer 8 Reconnaissance LEO Failure Orbit too eccentric for use of return capsule
1959-12-01
17:00		 Thor DM-18A Thor 254 CCAFS LC-18B Missile test Suborbital Success
1959-12-02
05:29		 Thor DM-18A Thor 265 VAFB LC-75-1-1 Missile test Suborbital Failure
1959-12-15
02:14		 Thor DM-18A Thor 185 VAFB LC-75-1-2 Missile test Suborbital Failure Flight control failure. Missile broke up T+60 seconds.
1959-12-17 Thor DM-18A Thor 255 CCAFS LC-17B Missile test Suborbital Success

Images
  • Thor 127
  • Thor 130
  • Thor 129
  • Thor 134
  • Thor 136

See also
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