A U.S. Marine Corps AH-1Z Viper engages a target during Weapons and Tactics Instructor Course (WTI) 1-18 in Yuma, AZ, on Sept. 22, 2017. WTI is a seven week training event hosted by Marine Aviation Weapons and Tatics Squadron One (MAWTS-1) cadre which emphasizes operational integration of the six functions of Marine Corps aviation in […]