Keeping aircraft operationally ready
U.S. Marine Corps Cpl. Shane Riley, Marine Tactical Electronic Warfare Squadron 2, 2nd Marine Aircraft Wing, electronic counter measure systems technician, conducts maintenance on an airborne integrated jamming system for a U.S. Marine Corps EA-6B Prowler during Exercise Northern Edge 15 at Eielson Air Force Base, Alaska, June 18, 2015. Northern Edge is Alaska’s premier joint training exercise designed to practice operations, techniques and procedures as well as enhance interoperability among the services. Thousands of Airmen, Soldiers, Sailors, Marines and Coast Guardsmen from active duty, Reserve and National Guard units are involved. (U.S. Marine Corps photo by MCIPAC Combat Camera Staff Sgt. Jeffrey D. Anderson/ Released)

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