U.S. Marine Corps CH-53E Super Stallion helicopter pilots assigned to Marine Aviation Weapons and Tactics Squadron One conduct a course of action plan during a day battle drill exercise. The exercise was in support of the Weapons and Tactics Instructor Course at Marine Corps Air Station Yuma, Ariz., April 4, 2015. WTI is 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.