The 3920th Strategic Wing (3920th SW) is an inactive United States Air Force unit, discontinued on 31 March 1965. The 3920th SW was a non-flying ground service support element for the 7th Air Division (AD) of Strategic Air Command (SAC), based at RAF Brize Norton, Oxfordshire, in the United Kingdom. It was established on 1 December 1952 as the 3920th Air Base Group.