CHOCOLATE MOUNTAIN AERIAL GUNNERY RANGE, Calif. - U.S. Marine Corps landing support specialists, supporting Weapons and Tactics Instructors (WTI) Course 1-14, attach a grounding rod to a CH-53E Super Stallion hook for a Helicopter Support Team exercise at Landing Zone Bull, Oct. 1, 2013. 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 certificate of unit instructor qualifications to support Marine Aviation Training and Readiness and assists in developing and employing aviation weapons and tactics.