Senior Airman Kenneth Wagner, 91st Missile Maintenance Squadron facilities maintenance section technician, checks a panel outside of the launch control center at H-01 Missile Alert Facility in the missile complex, N.D., May 24, 2017. Airmen from the 91st MMXS teamed up with Airmen from the 5th Civil Engineer Squadron for “Blitzkrieg,” an operation where all the work orders that accrued during the winter months are completed. (U.S. Air Force photo/Senior Airman Apryl Hall)