After seven long and strenuous weeks, the Marines patiently wait to receive their certificates upon graduating Weapons and Tactics Instructor course 2-14 at the Sonoran Pueblo aboard Marine Corps Air Station Yuma, Ariz., April 27. - After seven long and strenuous weeks, the Marines patiently wait to receive their certificates upon graduating Weapons and Tactics Instructor course 2-14 at the Sonoran Pueblo aboard Marine Corps Air Station Yuma, Ariz., April 27.