U.S. Marine Corps command, control, and communications students attending Weapons and Tactics Instructor (WTI) 1-15 Course, assemble an OE-254 antenna for a radio check on Marine Corps Air Station Yuma, Ariz., Sept. 18, 2014. WTI is a seven week training event hosted by Marine Aviation and Weapon Tactics Squadron (MAWTS-1) cadre. MAWTS-1 provides 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. Allison J. Herman, COMCAM/Released)