The squadron flew combat missions with Martin B-26 Marauders and later North American B-25 Mitchell medium bombers during the Aleutian Campaign.

Staff sergeant, later actor, Charlton Heston served as a radio operator and gunner aboard a B-25 Mitchell of the 77th from 1944-45.

[3] The 77th was reactivated as a Strategic Air Command Boeing B-29 Superfortress squadron in 1946, based in the Midwest for training before being moved to Alaska in late 1946.

The 77th was re-equipped with Boeing B-52D Stratofortresses and stood nuclear alert and conducted global strategic bombardment training missions until 1966, when it began rotational deployments to Andersen Air Force Base, Guam, flying conventional strategic bombardment Operation Arc Light missions over Indochina (1966–1970).

[citation needed] The organization was established as the USAF Weapons School B-1 Division on 28 August 1992 at Nellis Air Force Base, Nevada.