U.S. Marine Corps Lance Cpl. Frank A. Smith, left,

U.S. Marine Corps Lance Cpl. Frank A. Smith, left, and Lance Cpl. Cody S. Everette, both low altitude air defense gunners assigned to 2d Low Altitude Air Defense Battalion, sight in on a Mil Mi-24p Hind during Weapons and Tactics Instructor Course (WTI) 2-15 near Tacts Airfield, Ariz., April 15, 2015. WTI is a seven-week event hosted by Marine Aviation Weapons and Tactics Squadron One (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)