U.S. Marine Corps landing support specialists prepare to attach an M777 howitzer to a CH-53E Super Stallion for an external lift, part of Weapons and Tactics Instructor (WTI) Course 2-14, at Marine Corps Air Station Yuma, Ariz, March 28, 2014. WTI is a seven-week training event hosted by MAWTS-1 cadre, providing standardized tactical training and certification of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photograph by Lance Cpl. Xzavior T. McNeal, COMCAM/ Released)