Lt. Col. John Varilek assumes command of the 2nd Operations Support Squadron from Col. Michael Adderley, 2nd Operations Group commander, during a change of command ceremony at Barksdale Air Force Base, La., July 2, 2014. Before taking command of the 2nd OSS, Varilek was the Director of Operations, 11th Bomb Squadron, from July 2013 to July 2014. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)
Lt. Col. John Varilek, 2nd Operations Support Squadron commander, removes the previous commander's name from the 2nd OSS flagship during a change of command ceremony at Barksdale Air Force Base, La., July 2, 2014. After every flying unit change of command, the previous commander's name is removed from the squadron flagship aircraft and the new commander's name is revealed. Varilek is a senior evaluator pilot with more than 1,300 hours in the B-52H Stratofortress. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)