Senior Airman Daniel Hancock, 5th Aircraft Maintenance Squadron crew chief, watches at a B-52H Stratofortress starts its engines at Minot Air Force Base, N.D., Jan. 26, 2017. Hancock, along with other 5th AMXS Airmen, work in harsh weather conditions to provide B-52 firepower on demand. (U.S. Air Force photo/Senior Airman J.T. Armstrong)