U.S. Air Force Staff Sgt. Dillon Cody, an aircraft fuel systems technician with the 509th Aircraft Maintenance Squadron, performs an aerial-refueling operational check on a U.S. Air Force B-2 Spirit bomber, March 13, 2016, in the U.S. Pacific Command area of operations. Bomber training missions and deployments ensure crews maintain a heightened state of readiness to demonstrate their ability to provide an always-ready global strike capability. (U.S. Air Force photo by Senior Airman Joel Pfiester/Released)