A U.S. Air Force pararescueman, 82nd Expeditionary Rescue Squadron (ERQS), practices tactical combat casualty care on a mock patient in the Grand Bara Desert, Djibouti, Jan. 16, 2013. Airmen, Marines, soldiers and sailors from Combined Joint Task Force - Horn of Africa and members of the French Foreign Legion participated in the exercise in order to enhance interoperability during personnel recovery operations. (U.S. Air Force photo by Airman 1st Class Nicholas Byers/Released)