Marine Detachment staff of the Low Altitude Air Defense school, bookend the last class to graduate at Fort Bliss, Texas, June 29, 2012. Class 3-12 concludes more than 50 years of Marine training on Fort Bliss. At the conclusion of the graduation ceremony, the colors were cased today, in preparation for Marine Detachment’s transfer to Twentynine Palms, Calif. Marine base July 31, 2012. In the middle of the class formation is former Marine Detachment commander Michael A. Hunter, Lt. Col. USMC (Ret).