160421-M-CJ052-087 YUMA, Ariz. (April 21, 2016) U.S. Marine Corps Lance Cpl. Christopher D. Robson, right, water purification specialist, and U.S. Navy Petty Officer 2nd Class Richard K. Pacheco, hospital corpsman both with Combat Logistics Battalion 24 practice drills during a Marine Corps Forces Special Operations Command night raid exercise at Tactical Air Combat Training System Airfield, near Yuma, Ariz. This exercise was conducted during Weapons and Tactics Instructor (WTI) course 2-16. WTI is a seven week training event hosted by Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) cadre. MAWTS-1 provides standardized advanced 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. Zachary M. Ford/Released)