A U.S. Army Sight Security team , 2nd 138th Higher Headquarters Battalion, exit a HC-130P Combat King, 81st Expeditionary Rescue Squadron, Dec. 17, 2012 in the Grand Bara Desert, Djibouti. The Sight Security Team provided security during a refueling mission in support of Operation Enduring Freedom. (U.S. Air Force photo by Senior Airman Devin Doskey/Not Released)