 Troop G served in the Vietnam War from 1971 to 1972, being equipped at that time with the M551 Sheridan Armored Reconnaissance/Airborne Assault Vehicle (AR/AAV).In March 1987, the Army overhauled its Combat Arms Regimental System (CARS) to restore some order to the history and lineage of its regiments.One goal of this reform was to keep on active duty those regiments which had earned distinguished records over long years of service.