304th Armored Cavalry Regiment

The 304th Armored Cavalry Regiment (304th ACR) was a Massachusetts-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II.

It was constituted in 1948 and partially organized from existing units before being inactivated in 1950 and disbanded in 1952.

It was organized on 17 September 1918 at Camp Upton, New York, and redesignated the 1st Heavy Tank Battalion on 18 March 1918.

Inactivated on 15 September 1931, it was redesignated the 2nd Battalion, 67th Infantry Regiment (Medium Tanks) on 31 October 1932.

[5] The 304th ACR did not inherit the lineage of the prewar 304th Cavalry Regiment, and was not authorized a coat of arms or distinctive unit insignia.