as Headquarters and Headquarters Company and Company B, 1st Separate Battalion, Heavy Tank Service, 65th Engineers; and Headquarters and Headquarters Company and Companies A and B, 303d Battalion, Tank Corps) reorganized and redesignated as the 2d Battalion 22d Tank Maintenance Company (organized 18 July 1918 as the 306th Repair and Salvage Company, Tank Corps) redesignated as the Service Company (2d Battalion [less Company F] inactivated 15 September 1931 at Fort George G. Meade, Maryland) 2d Tank Regiment converted and redesignated 25 October 1932 as the 67th Infantry (Medium Tanks) (Headquarters and Headquarters Company, 2d Battalion, and Company D, 67th Infantry [Medium Tanks], activated 1 October 1939 at Fort Benning, Georgia; Regimental Headquarters and Headquarters Company, Band, 1st Battalion, Company E, and 3d Battalion, 67th Infantry [Medium Tanks], activated 5 June 1940 at Fort Benning, Georgia) Converted and redesignated 15 July 1940 as the 67th Armored Regiment and assigned to the 2d Armored Division Regiment broken up 25 March 1946 and its elements reorganized and redesignated as elements of the 2d Armored Division as follows: Regimental Headquarters and Headquarters Company, 3d Battalion, and Company D as the 67th Tank Battalion Companies A and C as Companies D and C, 6th Tank Battalion, respectively (remainder of 6th Tank Battalion organized from elements of the 66th Armored Regiment) Headquarters and Headquarters Companies, 1st and 2d Battalions; Companies B, E, and F; the Maintenance and Service Companies and Band, disbanded After 25 March 1946 the above units underwent changes as follows: 67th Tank Battalion 67th Tank Battalion redesignated 11 October 1948 as the 67th Medium Tank Battalion Redesignated 1 April 1953 as the 67th Tank Battalion Inactivated 1 July 1957 in Germany and relieved from assignment to the 2d Armored Division Company C, 6th Tank Battalion Company C, 6th Tank Battalion, redesignated 31 January 1949 as Company C, 6th Medium Tank Battalion (6th Medium Tank Battalion relieved 14 July 1950 from assignment to the 2d Armored Division; assigned 29 October 1950 to the 24th Infantry Division) Redesignated 10 November 1951 as Company C, 6th Tank Battalion Inactivated 5 June 1958 in Korea and relieved from assignment to the 24th Infantry Division HHC and support units Headquarters and Headquarters Companies, 1st and 2d Battalions; Companies B, E, and F; and Maintenance and Service Companies, 67th Armored Regiment, reconstituted 6 February 1947 in the Organized Reserves as the 321st Mechanized Cavalry Reconnaissance Squadron Activated 21 February