U.S. Air Force 1st Lt. Wilfred Chan, 11th Bomb Squadron student pilot, prepares for his first flight in a B-52 Stratofortress at Barksdale Air Force Base, Louisiana, April 22, 2020. Students in the B-52 Formal Training Unit must complete four months of academic study before beginning flight training in the jet. The FTU is led by the 93rd Bomb Squadron, an Air Force Reserve unit, in active association with the 11th BS, an active-duty unit. (U.S. Air Force photo by Master Sgt. Ted Daigle)