OIF
U.S. Air Force gunner Airman 1st Class Andrew Koss checks the connection to his headset in a mine resistant ambush (MRAP) before a joint patrol with the U.S. Army at Joint Base Balad, Iraq, April 14, 2010. The patrol was a joint effort between U.S. Army and Air Force defenders looking for a weapons cache. A1C Koss is forward deployed to the 532nd Expeditionary Security Forces Squadron from Eielson AFB, Alaska. (U.S. Air Force photo/Staff Sgt Quinton Russ/released)