U.S. Air Force Staff Sgt. Ian Ivey, 27th Aircraft Maintenance Unit dedicated crew chief, checks communication equipment for an F-22A Raptor pilot at Joint Base Langley-Eustis, Virginia, Feb. 14, 2018. The crew chief and pilot go through checklist prior to flight to ensure the aircraft is in proper working condition. (U.S. Air Force photo by Senior Airman Derek Seifert)