U.S. Air Force Col. Clinton Eichelberger, 355th Operations Group commander, passes the 354th Expeditionary Fighter Squadron guidon to U.S. Air Force Lt. Col. Ryan Hayde during a change-of-command ceremony May 15, 2015, on the flightline at Campia Turzii, Romania. Hayde now leads 12 A-10 Thunderbolt II attack aircraft and more than 300 assigned personnel. (U.S. Air Force photo by Senior Airman Dylan Nuckolls/Released)