921st Expeditionary Air Refueling Squadron

921st Expeditionary Air Refueling Squadron
KC-135A in SAC markings of the 1960s
Active	1942–1946; 1947–1949; 1960; unknown −2011
Country	United States
Branch	United States Air Force
Role	Air refueling
Part of	Air Mobility Command
Engagements	China Burma India Theater
Insignia
21st Photographic Reconnaissance Squadron emblem[a][1]

The 921st Expeditionary Air Refueling Squadron is a provisional United States Air Force unit. Its last known active period ended on 12 November 2011 at Moron Air Base, Spain.

The squadron was first activated in 1942 as the 21st Photographic Reconnaissance Squadron in 1942 at Peterson Field, Colorado. It served in combat in the China Burma India Theater as part of the Fourteenth Air Force. After the war, the squadron served as the 21st Reconnaissance Squadron with the Air Force Reserve at Stewart Air Force Base, New York from 1947 until 1949, but does not appear to have been fully manned or equipped.

The 921st Air Refueling Squadron was activated in 1960 at Altus Air Force Base, Oklahoma to serve as an air refueling squadron for dispersed Boeing B-52 Stratofortresses. However, the decision to activate the squadron was reversed shortly thereafter and its personnel and equipment were returned to the squadron that had provided its cadre.

In September 1985, the 921st Air Refueling Squadron and the 21st Reconnaissance Squadron were consolidated into a single unit. The squadron was subsequently converted to provisional status and designated the 921st Expeditionary Air Refueling Squadron.

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