the 56th Armored Infantry Regiment, and the 17th and 66th Armored Infantry Battalion shields are derived from the same pattern. The 56th, 17th and 66th Armored Infantry Battalions were all assigned to the 12th Armored Division during World War II. Notes References Woldenberg, Michael (ed.) (2007). History of the 56th Armored Infantry Battalion. (Original source History AR 345-105, Ref. 612-INF (56) – 0.1, NARA College Park, MD, Record Gp 407, Entry 427, Box No. 16234). See also 12th Armored Division (United States) 17th Infantry Regiment (United States) V Corps (Union Army) United States Army Institute of Heraldry 056 056 056 1917 establishments in Georgia (U.S. state) United States Army regiments of World War I