Wrecker operators with Maintenance Company, 1st Maintenance Battalion, Combat Logistics Regiment 15, 1st Marine Logistics Group, attach a tow chain to a simulated disabled Mine Resistant Ambush Protected vehicle during a vehicle-recovery exercise aboard Camp Pendleton, Calif., May 20, 2013. (U. S. Marine Corps photo by Lance Cpl. Cody Haas/Released) - Wrecker operators with Maintenance Company, 1st Maintenance Battalion, Combat Logistics Regiment 15, 1st Marine Logistics Group, attach a tow chain to a simulated disabled Mine Resistant Ambush Protected vehicle during a vehicle-recovery exercise aboard Camp Pendleton, Calif., May 20, 2013. (U. S. Marine Corps photo by Lance Cpl. Cody Haas/Released)