ALI BASE, Iraq -- Airman 1st Class Nathaniel Gonzalez and Airman 1st Class Lawrence Moore, 407th Expeditionary Security Forces Squadron, stand guard watching third country nationals here July 24, 2008. Airmen working in the 407th ESFS Force Protection Section are tasked with maintaining the installation's internal safety. Both airmen are deployed from the 28th Bomb Wing, Ellsworth Air Force Base, S.D., where Airman Gonzalez works in aerospace propulsion and Airman Moore works as a wing postal clerk. (U.S. Air Force photo/Airman 1st Class Chris Griffin)