Departing Cobra A Marine Corps AH-1Z Viper helicopter departs a forward arming and refueling point during Final Exercise 3, Weapons and Tactics Instructor course 2-16 at Stoval Airfield, near Yuma, Ariz., April 23, 2016. Marine Corps photo by Lance Cpl. Zachary M. Ford SHARE: Download: Full Size (1.99 MB) Tags: marines, stoval airfield, marine aviation weapons and tactics squadron one and marine wing support squadron 274, yuma, weapons and tactics instructor course 2-16 Credit: Lance Cpl. Zachary Ford VIRIN: 160423-M-CJ052-233A.JPG Photo Gallery