JOINT BASE BALAD, Iraq (AFNS) -- Staff Sgt. Andrew Pena (left) and Staff Sgt. Aron Walton look out their windows, scanning as aerial gunners during a mission July 12, 2010, at Joint Base Balad, Iraq. Both sergeants are assigned to the 64th Expeditionary Rescue Squadron. Sergeant Walton is deployed from the 41st Rescue Squadron, Moody Air Force Base, Ga., and Sergeant Pena is deployed from the 55th Rescue Squadron, Davis-Monthan AFB, Ariz. (U.S. Air Force photo/Staff Sgt. Andy M. Kin)