Constituted 13
January 1941 in the Regular Army as the 3d Armored Regiment and
assigned to the 3d Armored Division.
Activated 15
April 1941 at Camp Beauregard, Louisiana
Redesignated 8
May 1941 as the 33d Armored Regiment
Inactivated 10
November 1945 in Germany
Regiment broken
up 7 July 1947 and its elements redesignated as follows:
Regimental
Headquarters and Headquarters Company, Headquarters and
Headquarters Company, 1st Battalion, and Companies A, D, E, and
F as the 33d Tank Battalion, and remained assigned to the 3d
Armored Division
Headquarters
and Headquarters Company, 3d Battalion, and Companies G and H as
the Service Company and Companies B and C, respectively, 7th
Tank Battalion, and remained assigned to the 3d Armored Division
(remainder of the 7th Tank Battalion organized from elements of
the 32d Armored Regiment)
Headquarters
and Headquarters Company, 2d Battalion, Companies B, C, and I,
Service and Maintenance Companies, and Band disbanded
(Reconnaissance
Company as Troop E, 83d Mechanized Cavalry Reconnaissance
Squadron -- hereafter separate lineage)
After 7 July
1947 the above units underwent changes as follows:
7th and 33d
Tank Battalions activated 15 July 1947 at Fort Knox, Kentucky
Reorganized and redesignated 30 July 1948 as the 7th and 33d
Medium Tank Battalions, respectively Reorganized and
redesignated 15 March 1955 as the 7th and 33d Tank Battalions,
respectively 7th and 33d (less Company D) Tank Battalions
inactivated 1 October 1957 in Germany and relieved from
assignment to the 3d Armored Division
Headquarters
and Headquarters Company, 2d Battalion; Service Company; and
Companies B, C, and I, 33d Armored Regiment, reconstituted 28
May 1948 in the Regular Army as Headquarters, Headquarters and
Service Company, and Companies B, C, and A, respectively, 62d
Heavy Tank Battalion 62d Heavy Tank Battalion assigned 18 June
1948 to the 10th Infantry Division Activated 1 July 1948 at Fort
Riley, Kansas Reorganized and redesignated 15 June 1954 as the
62d Tank Battalion Inactivated 1 July 1957 in Germany Relieved 1
October 1957 from assignment to the 10th Infantry Division
Maintenance
Company, 33d Armored Regiment, reconstituted 1 October 1957 in
the Regular Army
33d and 62d
Tank Battalions; Headquarters and Service Company and Companies
B and C, 7th Tank Battalion; and Maintenance Company, 33d
Armored Regiment, consolidated 1 October 1957 and consolidated
unit reorganized and redesignated as the 33d Armor, a parent
regiment under the Combat Arms Regimental System
Withdrawn 16
April 1987 from the Combat Arms Regimental System and
reorganized under the United States Army Regimental System