U.S. Air Force Lt. Col. Clinton Eichelberger, 81st Fighter Squadron commander, inspects the cockpit of an U.S. Air Force A-10 Thunderbolt II attack aircraft before departing May 17, 2013. Eichelberger flew one of the final four A-10 aircraft flight to leave Europe at Spangdahlem Air Base. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)