U.S. Marine Corps Staff Sgt. Cory Emily, a CH-53E Super Stallion crew chief instructor, with Marine Aviation Weapons and Tactics Squadron One (MAWTS-1), surveys the flight line during takeoff, aboard a CH-53E Super Stallion, in support of Weapons and Tactics Instructor (WTI) course 2-21, at Marine Corps Air Station Yuma, in Yuma, Ariz., April 3, 2021. WTI is a seven-week training event hosted by MAWTS-1, 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 Cpl. KarlHendrix Aliten)