The United States Marine Corps Honor Guard boards a C-17 Globemaster carring the remains of J. Christopher Stevens, U.S. ambassador to Libya, and three other Americans, Sept. 14, 2012, at Joint Base Andrews, Md. The U.S. State Department held a ceremony on base to honor the Americans who gave their lives in service to their country. (U.S. Air Force photo/Senior Airman Perry Aston)