A U.S. Marine Corps MV-22B Osprey assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) refuels during Weapons and Tactics Instructor course (WTI)1-17 at Yuma, Ariz., Oct. 20, 2016. The aerial refuel exercise was part of WTI 1-17, a seven-week training event hosted by MAWTS-1 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. (U.S. Marine Corps photo by Lance Cpl. Danny Gonzalez)