155TH ABCT NTC 2021 The 155th Armored Brigade Combat Team (ABCT), Mississippi Army National Guard participates in a National Training Center combat training exercise at Fort Irwin, California from May 20-June 23. The NTC rotation will showcase 155th ABCT and supporting unit partnerships, demonstrating the U.S. Army’s Total Force Policy. The plan requires one total force, the active Army, Army National Guard, and U.S. Army Reserve to provide operating and generating forces in support of the National Military... read more The 155th Armored Brigade Combat Team (ABCT), Mississippi Army National Guard participates in a National Training Center combat training exercise at Fort Irwin, California from May 20-June 23.