U.S. Army Lt. Col Thomas M. Feltey, commander of 2nd Battalion, 23rd Infantry Regiment, passes the Headquarters Company guidon to Capt. Barry G. Ammons; symbolizing the trust being placed in the new commander during a change of command ceremony May 10, 2013 at Forward Operating Base Spin Boldak, Kandahar province, Afghanistan. (U.S. Army photo by Staff Sgt. Shane Hamann)