A U.S. Air Force F-22 Raptor gains altitude while performing a demonstration during the 911th Airlift Wing's Wings Over Pittsburgh 2017 Air Show, at Coraopolis, Pa., May 12, 2017. The F-22 demonstration was performed by U.S. Air Force Maj. Dan "Rock" Dickinson, the only pilot on the demo team. (U.S. Air Force photo/Senior Airman Kimberly Nagle)