12/31/2014: U.S. Marine Corps students attending Weapons and Tactics Instructor (WTI) Course 1-15 participate in a close air support exercise utilizing the AH-1Z Cobra aircraft at Mount Barrow, Chocolate Mountain Aerial Gunnery Range, Calif., Oct. 02, 2014.  The AH-1 close air support exercise supported WTI 1-15 hosted by Marine Aviation…