U.S Navy personnel who have died in the U.S.-led war in Afghanistan and related actions. From left to right: Chief Petty Officer Matthew J. Bourgeois, Electronics Technician 3rd Class Benjamin Johnson, Aviation Boatswain's Mate-Handling 1st Class Neil C. Roberts. (AP Photos/File)
U.S. Air Force personnel who have died in the U.S.-led war in Afghanistan and related actions. From left to right: Tech. Sgt. John A. Chapman and Senior Airman Jason D. Cunningham. (AP Photos/File)