Lance Cpl. Donald Maddox, a motor transportation operator, with 1st Transport Support Battalion, Combat Logistics Regiment 1, 1st Marine Logistics Group, checks the oil in a Medium Tactical Vehicle Replacement during a routine maintenance inspection on the outskirts of Marine Corps Air Station Yuma, Ariz., April 10, 2015. Maddox inspects vehicles like this each day to ensure optimum reliability for logistic units supporting the bi-annual, seven-week long Weapons Tactics and Instructor course at MCAS Yuma and the surrounding area. WTI, hosted by Marine Aviation Weapons and Tactics Squadron 1, provides advanced tactical training to certify Marine pilots as weapons and tactics instructors, preparing them to serve in key training officer billets in the fleet Marine force. (Marine Corps photo by Sgt. Cody Haas/Released)
Sgt. Cody M. D. Haas
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