Friends mourn during a memorial ceremony held for the late Senior Airman John E King II, 89th Aerial Port Squadron aircraft services specialist at Joint Base Andrews, Md., Feb. 22, 2013. King passed away while on duty Feb. 17. As an aircraft services specialists, King provided airlift ground support for the president, vice president, cabinet secretaries, key congressional members, and other dignitaries worldwide. (U.S. Air Force photo/Staff Sgt. Perry Aston)