U.S. Marines conduct a heavy Huey raid on a mock village during Weapons and Tactics Instructor course (WTI) 1-17 at Yuma Training Range Complex. WTI is a seven week training event hosted by Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) cadre which emphasizes operational integration of the six functions of Marine Corps aviation in support of a Marine Air Ground Task Force. The units shown in this video are with Echo Company, 2nd Battalion, 3rd Marine Regiment.