Lt. Col. Gregory P. Sarakatsannis, former 510th Fighter Squadron commander, passes the unit guidon to Col. Patrick J.S. Miller, 31st Operations Group commander, during a change of command ceremony June 3 at Aviano Air Base, Italy. Colonel Sarakatsannis relinquished command to Lt. Col. Michael E. Thompson after three years of service to the 31st Fighter Wing.(U.S. Air Force photo/Airman LaVel Sterling)