Images: Aerial Ops at WTI [Image 13 of 15]
Photo by Cpl. William Waterstreet
Maj. James Vallario, an AV-8B Harrier pilot with Marine Aircraft Group 13, right, and Maj. John Grunke, an AV-8B Harrier pilot with Marine Aviation Weapons and Tactics Squadron 1, left, train in their aircraft during the spring Weapons and Tactics Instructors’ Course hosted by MAWTS-1 at Marine Corps Air Station Yuma, Ariz., March 30. WTI is hosted twice a year, once in the spring and once in the fall.