U.S. Marines with Advanced Aircraft Maintenance Officers Course, Marine Aviation Weapons Tactics Squadron One (MAWTS-1) conduct maintenance on Marine Corps aircraft as apart of Weapons Tactics Instructors(WTI) course at Marine Corps Air Station Yuma, Ariz., on Oct. 10, 2017. WTI is a seven-week training event hosted by MAWTS-1 cadre, which emphasizes operational integration of the six functions of Marine Aviation in support of a Marine Air Ground Task Force. MAWTS-1 provides standardized advance 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 video by Lance Cpl. Skyler Pumphret)