Preparing A Rocket Launcher Soldiers load the M287 sub-caliber tracer trainer as part of M136E1 AT4-CS confined light anti-armor weapon familiarization training while competing in the National Guard Best Warrior Region VI 2018 competition at Joint Base Elmendorf-Richardson, Alaska, May 15, 2018. Air Force photo by Alejandro Peña SHARE: Download: Full Size (1.71 MB) Tags: ARMY NATIONAL GUARD, Northcom, Northern Command, Soldiers, Army, training Credit: Alejandro Pena VIRIN: 180515-F-YH552-0489A.JPG Photo Gallery