U.S. Marines with Marine Wing Support Squadron 272 work on completing an expeditionary airfield maintenance exercise on Stoval Airfield during Weapons and Tactics Instructor Course 2-18 (WTI) at Dateland, Ariz., on March 13, 2018. WTI is a seven-week training even 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 LCpl. Lisa Collins)