U.S. Staff Sgt. Alex Olson, a maintainer assigned to the 2nd Aircraft Maintenance Squadron, perform a routine inspection on the engine of a B-52 Stratofortress at Barksdale Air Force Base, Louisiana, Jan. 7, 2021. The jet, assigned to the 307th Bomb Wing, had just returned from a routine training mission. Active duty Airmen with the 2nd Bomb Wing and Reserve Citizen Airmen in the 307th BW work together closely in a total force integration model. (U.S. Air Force photo by Senior Master Sgt. Ted Daigle)