U.S. Marine Corps Cpl. Raul Marinello, with Marine

U.S. Marine Corps Cpl. Raul Marinello, with Marine Wing Support Squadron 371, Marine Wing Support Group 37, 3rd Marine Aircraft Wing, attaches hoses on a tactical aviation ground refueling system (TAGRS) for a static forward arming and refueling point (FARP) during Weapons and Tactics Instructor (WTI) course 1-21, at Holtville Airfield, Holtville, California, Oct. 5, 2020. The WTI course is a seven-week training event hosted by Marine Aviation Weapons and Tactics Squadron One, providing standardized advanced tactical training and certification of unit instructor qualifications to support Marine aviation training and readiness, and assists in developing and employing aviation weapons and tactics. (U.S. Marine Corps photo by Lance Cpl. Shannon Gibson)