U.S. Navy Corpsmen with the 15th Marine Expeditionary Unit transport a casualty onto a MV-22B Osprey assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) during final exercise (FINEX) two in support of Weapons and Tactics Instructor Course (WTI) 2-17 at Fire Base Burt, April 27, 2017. This exercise is designed to execute a simulated special operating forces raid while simultaneously supporting regimental combat team objectives and focusing on conducting all six functions of Marine Aviation. WTI is 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 and 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. Michaela R. Gregory)