Barksdale B-52s return for Global Thunder 21 Published Oct. 21, 2020 By Airman 1st Class Jacob B. Wrightsman 2nd Bomb Wing Public Affairs BARKSDALE AIR FORCE BASE, La. -- Two B-52H Stratofortresses taxi the flight line at Barksdale Air Force Base, La., as part of Global Thunder 21, Oct. 20, 2020. GLOBAL THUNDER is an annual command and control exercise designed to train U.S. Strategic Command forces and assess joint operational readiness. (U.S. Air Force photo by Airman 1st Class Jacob B. Wrightsman)