It was inactivated on 21 September 1921 at Camp George G. Meade, with personnel concurrently transferred to units of the 1st Division.
[1] On 1 April 1943 the 56th Armored Infantry Regiment was given the special mission of guarding portion of the train route of President Franklin D.
[citation needed] The regiment was reorganized as part of an effort to streamline U.S. armored units based on lessons learned from fighting in North Africa and Italy.
[3] On 11 November 1943 while at the Tennessee Maneuver Area in Watertown, Tennessee, the 12th Armored Division was reorganized under the Authority and Orders TO&E 15 Sept 1943, G.O.#36 HQ 12th Armd Div, 11 Nov 1943, Letter HQ AGF, File 320.2/32 (Armd Div)(c) "Reorganization of Armored Divisions", dated 15 Sept 1943.
During the American Civil War the 17th Infantry was in the 2nd Division, V Corps, Army of the Potomac under Gen. George Sykes, whose badge was a white cross pattée on a blue (azure) background.