1st Tank Battalion

The 1st Tank Battalion was an armor battalion of the United States Marine Corps which was based out of the Marine Corps Air Ground Combat Center Twentynine Palms, California. It last fell under the command of the 1st Marine Division and I Marine Expeditionary Force. The unit was decommissioned in May 2021 as part of the service Force Design 2030 initiative which saw it move away from larger armor formations.