Sep 30, 2016 CHOCOLATE MOUNTAIN AERIAL GUNNERY RANGE, California - U.S. Marine Corps Cpl. Zachary A. Zimberg, helicopter crew chief with Marine Light Attack Helicopter Squadron 169, 3rd Marine Aircraft Wing prepares to engage a target with a GAU-17/A gatling gun during an offensive air support exercise at Chocolate Mountain Aerial Gunnery Range, Calif., Sept. 28, 2016. This exercise was a part of Weapons and Tactics Instructor Course 1-17, a seven week training event, hosted by Marine Aviation Weapons and Tactics Squadron One cadre, which emphasizes operational integration of the six functions of Marine Corps aviation in support of a Marine Air Ground Task Force. 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. Photo By: Cpl. AaronJames Vinculado