A U.S. Army Golden Knight checks wind speed during the AirPower over Hampton Roads Open House above Langley Air Force Base, Va., April 24, 2016. The Golden Knights are one of three Department of Defense-sanctioned aerial demonstration teams, along with the U.S. Navy Blue Angels and the U.S. Air Force Thunderbirds. (U.S. Air Force photo by Airman 1st Class Derek Seifert)