ARLINGTON, Va. -- Chief Master Sgt. of the Air Force Gerald R. Murray presents a flag to Staff Sgt. Carrissa Walkup during a full-honor mass funeral at Arlington National Cemetery. Her husband, Staff Sgt. Thomas A. Walkup Jr., and four other military members were killed when their MH-53M Pave Low helicopter crashed Nov. 23 in Afghanistan. (U.S. Air Force photo by Staff Sgt. Jennifer Gangemi)