U.S. Marines with 1st Battalion,
2nd Marine Regiment conduct fast rope and roof top insertion
exercises during Weapons and Tactics Instructor (WTI) 2-22
course at K-9 Village, near Yuma Proving Grounds, 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 assists in
developing and employing aviation weapons and tactics.
U.S. Marine Corps video by
Lance Cpl. Daniel Childs April 2, 2022