10/25/2016: U.S. Marine Corps MV-22B Ospreys assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) and F-5N Tiger II assigned to Marine Fighter Training Squadron 401 (VMFT-401) conduct a defensive combat maneuver exercise during Weapons and Tactics Instructor course (WTI) 1-17 in Yuma, Ariz., Sept. 29, 2016. WTI is a…