https://m.youtube.com/watch?v=ahAwHvy9PAk
U.S. Marines with 2nd Battalion, 7th Marine Regiment, 1st Marine Division conduct a fast rope exercise during WT Instructor Course (WTI) 1-16 at Auxiliary Airfield 2, Marine Corps Air Station, Yuma, Arizona., Oct. 2, 2015. WTI is a seven week event hosted by MAWTS-1 cadre. MAWTS-1 provides standardized tactical training and certification of unit instructor qualifications to support Marine aviation training and readiness and assists in developing and employing aviation tactics.