Marine Corps Sgt. Mario A. Ramirez performs the last preflight check on a CH-46E Sea Knight on Marine Corps Air Facility Quantico, Va., July 16, 2014. Shortly after Ramirez completed his check, the last four Sea Knights departed the squadron for the last time. Ramirez is an air frames mechanic assigned to Marine Corps Helicopter Squadron One, Headquarters Marine Corps.
U.S. Marine Corps photo by Cpl. Jose D. Lujano
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