Preflight inspections
U.S. Air Force Airman 1st Class Andrew Harding, a 13th Aircraft Maintenance Unit crew chief, from Misawa Air Base, Japan, performs preflight inspections during Northern Edge 2017 (NE17) at Eielson Air Force Base, Alaska, May 9, 2017. NE17 is one in a series of U.S. Pacific Command exercises in 2017 that prepares joint forces to respond to crises in the Indo-Asia-Pacific region. The exercise is designed to sharpen participants’ tactical combat skills, to improve command, control and communication relationships, and to develop interoperable plans and programs across the joint force. (U.S. Air Force photo by Tech. Sgt. Araceli Alarcon)