A U.S. Air Force crew chief from the 1st Maintenance Squadron, 27th Aircraft Maintenance Unit, performs a final inspection on an F-22 Raptor during ATLANTIC TRIDENT 17 at Joint Base Langley-Eustis, Va., April 18, 2017. The Raptor performs both air-to-air and air-to-ground missions, allowing full realization of operational concepts vital to the 21st century Air Force. (U.S. Air Force photo/Airman 1st Class Anthony Nin Leclerec)