U.S. Marines assigned to Marine Aviation Weapons and

U.S. Marines assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) secure a Joint Direct Attack Munition bomb onto an AV-8B Harrier II Plus aircraft during Weapons and Tactics Instructor (WTI) course 1-19 at Marine Corps Air Station Yuma, Arizona, Sept. 11, 2018. WTI is a seven-week training course hosted by MAWTS-1 which emphasizes operational integration of the six functions of the Marine Corps aviation in support of a Marine air-ground task force. WTI also 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 Cpl. Dylan Chagnon)