U.S. Marine Corps UH-1Y Huey helicopters assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) await for takeoff on the flight line during assault support tactics three exercise while supporting the Weapons and Tactics Instructor (WTI) Course at Marine Corps Air Station Yuma, Ariz., April 17, 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. (U.S. Marine Corps photo by Lance Cpl. Travis Jordan, 3rd MAW Combat Camera/Released)