10/12/2017: A U.S. Marine Corps F-35B Lightning II assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) prepares to land after a Tactical Intercept/Air Combat Maneuvering exercise during Weapons and Tactics Instructor Course (WTI) near Yuma, Ariz., Oct. 4, 2017. WTI is a seven-week training event hosted by MAWTS-1 cadre,…