U.S. Marine Corps CH-53E Super Stallions assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) take off to conduct an embassy evacuation exercise during Weapons and Tactics Instructor Course (WTI) 2-15 at Del Valle Park, Twentynine Palms, Calif., April 17, 2015. WTI is a seven-week 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. Jodson B. Graves, 2d MAW Combat Camera/Released)