U.S. Army Col. Joachim Strenk, 71st Battle Field Surveillance Brigade commander, Texas Army National Guard, and French Lt. Col. Olivier Juillet, 5th French Marine Regiment commander, review desert survival course participants prior to graduation, June 7, 2012, in the Grand Bara Desert, Djibouti. The ten day course taught by French marines instructed U.S. service members on desert survival and combat tactics.