11/22/2015: U.S. Marine Corps AH-1Z Viper’s assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1) conduct an offensive air support exercise during Weapons and Tactics Instructor Course (WTI) 1-16 at Mt. Barrow, Chocolate Mountain Aerial Gunnery Range, Calif., Oct. 8, 2015. WTI is a seven week event hosted by MAWTS-1…