Field, South Dakota the following month. It was redesignated as a very heavy bombardment squadron in anticipation of training and redeployment to the Pacific, but with the Japanese surrender, it was inactivated in October. Air Force Reserve The 739th Bombardment Squadron was reactivated as a reserve unit under Air Defense Command (ADC) at McChord Field, Washington in April 1947 as a Boeing B-29 Superfortress unit, where its training was supervised by the 406th AAF Base Unit (later the 2345th Air Force Reserve Training Center). However, the squadron does not appear to have been fully staffed or equipped with operational aircraft while a reserve unit. In 1948 Continental Air Command assumed responsibility for managing reserve and Air National Guard units from ADC. President Truman's reduced 1949 defense budget required reductions in the number of units in the Air Force. Continental Air Command also reorganized its reserve units under the wing base organization system in June 1949. The squadron was inactivated and its personnel and equipment were transferred to elements of the 302d Troop Carrier Wing, which was activated simultaneously. Cold War The 39th Tactical Electronic Warfare Squadron was activated in April 1969 at Spangdahlem Air Base Germany in an effort to restore an electronic warfare capability to United States Air Forces Europe (USAFE). It was planned to equip the squadron with Douglas EB-66 Destroyers, but all of USAFE's EB-66s had deployed to Southeast Asia to provide jamming support for the Viet Nam War. As a result, the squadron was initially equipped with the less capable Martin EB-57 Canberra. Shortly after activation, it became possible to equip the unit with sixteen EB-66s. The squadron continued its mission at Spangdahlem until ceasing operations in December 1972. It was inactivated in January 1973 as the EB-66 was withdrawn from the Air Force inventory. The 739th Bombardment Squadron and the 39th Tactical Electronic Warfare Squadron were consolidated into a single unit in September 1985. Post Cold War The squadron was redesignated the 39th Electronic Warfare Squadron and activated at Eglin Air Force Base, Florida in July 2020. The squadron absorbed the resources of Detachment 1, 453d Electronic Warfare Squadron, which was discontinued. Lineage 739th Bombardment Squadron Constituted as the 739th Bombardment Squadron (Heavy) on 14 May 1943 Activated on 1 June 1943 Redesignated 739th Bombardment Squadron, Heavy c. 1944 Redesignated 739th Bombardment Squadron, Very Heavy on 5 August 1945 Inactivated on 17 October 1945 Activated