Assault air warning squadrons

Assault Air Warning Squadrons were United States Marine Corps aviation command and control units formed during World War II to provide early warning, aerial surveillance, and ground controlled interception during the early phases of amphibious landing. These squadrons were supposed to be fielded lightweight radars and control center gear in order to operate for a limited duration at the beginning of any operation until larger air warning squadrons came ashore. Four of these squadrons were commissioned during the war with one, AWS(AT)-5, taking part in the Battle of Saipan. All four squadrons were decommissioned in November 1944

Assault Air Warning Squadrons
Active1 Dec 1943 - 10 Nov 1944
Country United States of America
Branch United States Marine Corps
RoleAir Defense / Early Warning
Size181
  • 14 Off / 163 Enl / 6 Corpsmen
EngagementsBattle of Saipan

History
Assault Air Warning Squadron

Table of Organization & Equipment (1944):

  • Headquarters and Service Division
  • SCR-527 GCI Division
  • Control Center Division
  • Ground Observer Division

As the Guadalcanal Campaign was winding down, the Commandant of the Marine Corps convened a radar policy board on February 11, 1943.[1] Led by Colonel Walter L. J. Bayler, the board was tasked to make recommendations regarding the establishment of an adequate radar warning program, radar fire control, and radar fighter direction for Marine Corps units during amphibious operations. Among the boards final recommendations was organizing an air warning program with multiple air warning groups each composed of four air warning squadrons (AWS) and one air warning squadron (air transportable) (AWS(AT)). On May 15, 1943, the Commandant of the Marine Corps approved the boards recommendations which were titled Standing Operating Procedure for Radar Air and Surface Warning and Radar Fire Control in the Marine Corps.

The primary mission of the air transportable squadrons was to provide early warning of enemy air attack during the early phases of an amphibious assault. Their secondary mission was to control friendly aircraft in those cases where control shipboard control was unavailable. The air transportable squadrons were designed to be much smaller and more mobile than the bulky air warning squadrons which contained long range search radars, large control vans and an expansive utilities footprint. The initial concept envisioned them as very lightweight and capable of being transported via air. Another defining feature of these squadrons was the inclusion of a ground observer division consisting of two officers and forty-eight enlisted men. The ground observer divisions were tasked to come ashore with the assault units and monitor the air defense nets of the United States Navy's radar picket ships to give advanced warning of enemy air raids.

It is considered necessary that one air warning organization under a single control perform the functions of air warning and fighter direction at an objective, from assault through consolidation phases. This assured continuity of effort and maximum ffectiveness of control

CMC Letter to Commanding Officer, 1st Marine Air Warning Group, November 2, 1944

AWS(AT)-5 was the first air transportable squadron commissioned in the Marine Corps on December 1, 1943.[2] The equipment and personnel required for AWS(AT)-5 was still in flux as the squadron was standing up and beginning to train. The largest technical problem affecting these new squadrons was that the Marine Corps was unable to procure a lightweight search radar capable of being transported via air. Because of this it was decided to utilize the SCR-527, a larger, medium range radar already in the Marine Corps' inventory. With the addition of the SCR-527 the squadrons were no longer air transportable. Because of the increase in size and inability to move via airplane the squadrons designators were changed in July/August 1944 to Assault Air Warning Squadrons.[3]

Following the Battle of Saipan and the recommendation of General Holland Smith the air warning program in the Marine Corps was reorganized. It was determined that organizing the larger Air Warning Squadrons into an Assault Echelon and Main Body echelon was a more efficient means of quickly providing a complete air warning/fighter direction network during amphibious assaults. As a result of this reorganization the Marine Corps approved the decommissioning of the Assault Air Warning Squadrons on November 1, 1944. Accordingly, all four squadrons wee decommissioned on November 10, 1944.[3]

Squadron histories

Assault Air Warning Squadron 5
Squadron photo of AWS(AT)-5 taken at MCAD Miramar in March 1944.
AWS(AT)-5 Echelons
 Battle of Saipan:

Air Warning Squadron (Air Transportable) 5 was commissioned on December 1, 1943 at Marine Corps Air Station Cherry Point, North Carolina.[2] It was the first air-transportable air warning unit in the Marine Corps. On January 10, 1944 the squadron was transported to St. Simons and Jekyll Islands in order to practice its amphibious assault capabilities. It returned to MCAS Cherry point on January 18th and began preparing for movement to the West Coast.

On March 29th, AWS(AT)-5 boarded the USS Wasp (CV-18) at Naval Air Station North Island and sailed west. The squadron arrived at Pearl Harbor, Hawaii on March 4th and made camp at Marine Corps Air Station Ewa. On April 16th it was transferred to the operational control of the V Amphibious Corps and a day later divided into three separate detachments to support future operations (See table to the right). The squadron departed Hawaii in May 1944 on the way to its first amphibious assault.

AWS(AT)-5's three echelons disembarked at Saipan between June 17-19 and participated in combat operations during the next month. Two members of the squadron were killed in action during the battle.[4] On July 10th, while still on Saipan, the squadron was re-designated as Assault Air Warning Squadron 5.(sfn|Sherrod|1952|pp=452}} On August 28th the squadron sailed back to Hawaii on board the USS Winged Arrow (AP-170), USS Calvert (APA-32), and USS J. Franklin Bell (APA-16). On the return trip to Hawaii squadron personnel were tasked with guarding Japanese prisoners of war. The squadron arrived back in Hawaii on August 10th and returned to MCAS Ewa to conduct maintenance on equipment and continue training. Following the revision of the air warning program, AAWS-5 was decommissioned on November 10, 1944.[5] To date, no other Marine Corps squadron has carried the lineage and honors of AAWS-5 to include Marine Air Control Squadron 5 (MACS-5).

Commanding Officer
  • Capt Donald D. O'Neill (December 1, 1943 - November 10, 1944)

Unit Awards
Streamer Award Year(s) Additional Info
Asiatic-Pacific Campaign Streamer with one Bronze Star
Saipan
World War II Victory Streamer 1941–1945 Pacific War
  • The AWS(AT)-5 echelon that supported the 4th Marine Division during the Battle of Saipan received a Presidential Unit Citation. This was not awarded to all personnel in the squadron.

Assault Air Warning Squadron 10

Air Warning Squadron (Air Transportable) 10 was commissioned on January 1, 1944 at Marine Corps Air Station Cherry Point, North Carolina on the authority of 3d Marine Aircraft Wing General Order #36-1943. The squadron departed MCAS Cherry Point on March 1, 1944 headed for the west coast. It arrived at MCAD Miramar on March 6th. Upon arrival it received its full allotment of equipment from Marine Air Warning Group 2. After that the squadron took part in numerous practice amphibious landings at Naval Base Coronado, CA and additional air defense problems while operating in Aliso Canyon, CA. On July 21, 1944 the squadron provided a radar and control center exhibit for Admiral William D. Leahy and President Franklin D. Roosevelt. With the addition of the SCR-527 to the table of organization the squadron was no longer air transportable thus on August 1, 1944 it was re-designated as Air Assault Warning Squadron 10. On October 24th the squadron was moved to Marine Corps Auxiliary Air Field Gillespie, CA to continue its training however on November 2nd, orders were received from Headquarters Marine Corps stating the squadron was to be disbanded. Air Assault Warning Squadron 10 was officially decommissioned on November 10, 1944 and its personnel were distributed amongst other available air warning squadrons.[6]

Commanding Officer
  • Capt Herbert C. Storey (February 1, 1944 - November 10, 1944)

Assault Air Warning Squadron 15

Air Warning Squadron (Air Transportable) 15 was commissioned on February 1, 1944 at Marine Corps Air Station Cherry Point, North Carolina on the authority of 3d Marine Aircraft Wing General Order #1-1944.[7] The squadron departed MCAS Cherry Point on March 27th and arrived at Marine Corps Air Depot Miramar, California on April 1st. In early June the squadron was moved to Marine Corps Air Station El Centro, CA in order to work with Marine Base Defense Aircraft Group 43. While at MCAS El Centro the squadron conducted over eight hundred successful aircraft intercepts. It returned to MCAS Miramar in October and was officially decommissioned on November 10, 1944.[8]

Commanding Officer
  • 1stLt Craig W. Parris (February 1, 1944 - November 10, 1944)

Assault Air Warning Squadron 20

Air Warning Squadron (Air Transportable) 20 was commissioned on March 1, 1944 at Marine Corps Air Station Cherry Point, North Carolina on the authority of 3d Marine Aircraft Wing General Order #36-1943.[9] On May 1, 1944 the squadron departed MCAS Cherry Point and moved to Marine Corps Air Depot Miramar, California. In June 1944 it moved north to Marine Corps Air Station Santa Barbara, CA to work with Marine Base Defense Aircraft Group 42. Because the Marine Corps was unable to procure lightweight radar equipment the squadron fielded its first SCR-527 in August 1944. On October 30, 1944 the squadron returned to MCAD Miramar. MAAWS-20 was decommissioned on November 10, 1944 and its personnel were reassigned to other air warning squadrons.[8]

Commanding Officer
  • 1stLt Lloyd B. Hatcher (March 1, 1944 - November 10, 1944)

See also

Citations
  1. Melson 1996, pp. 14.
  2. Rottman 2002, pp. 449.
  3. Rottman 2002, pp. 449-450.
  4. Sherrod 1952, pp. 252.
  5. Sherrod 1952, pp. 552.
  6. Sherrod 1952, pp. 454.
  7. 3dMAW General Order 1-1944 Commissioning AWS(AT)-15
  8. Sherrod 1952, pp. 455.
  9. 3dMAW General Order 6-1944 Commissioning AWS(AT)-20

References
Bibliography
  • Rottman, Gordon L. (2002). U.S. Marine Corps World War II Order of Battle: Ground and Air Units in the Pacific War, 1939–1945. Greenwood Press. ISBN 0-313-31906-5.
  • Sherrod, Robert (1952). History of Marine Corps Aviation in World War II. Washington, D.C.: Combat Forces Press. ISBN 0-89201-048-7.
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