Red Flag-Alaska
U.S. Air Force Airman 1st Class Zachary Suttles, a crew chief assigned to the 494th Aircraft Maintenance Unit out of Royal Air Force Lakenheath, England, performs maintenance on an F-15E Strike Eagle dual-role fighter aircraft June 8, 2016, during RED FLAG-Alaska (RF-A) 16-2 at Eielson Air Force Base, Alaska. RF-A is a Pacific Air Forces commander-directed field training exercise for U.S. and allied forces, providing joint offensive counter-air, interdiction, close air support, and large force employment training in a simulated combat environment. (U.S. Air Force photo by Airman Isaac Johnson)