U.S. Marines prepare to conduct an external lift with

U.S. Marines prepare to conduct an external lift with a CH-53E Super Stallion assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) during a CH-53 tactics exercise at Auxiliary Airfield II, Yuma, Ariz., April 7, 2017. The exercise is part of Weapons and Tactics Instructor Course (WTI) 2-17, a seven-week training event hosted by MAWTS-1 cadre. MAWTS-1 provides 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 photo by Lance Cpl. Michaela R. Gregory)