September 25, 2021 - U.S. Marine Corps infantrymen with 3rd Battalion, 1st
Marine Regiment, 1st Marine Division, conduct a live fire close air support
exercise during Weapons and Tactics Instructor (WTI) course 1-22, at Yodaville,
near Yuma, Arizona.
WTI 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 assist in
developing and employing aviation weapons and tactics.