My father recently died January 1, 2002 serviced Headquarters 1st Battalion 52 Armored Infantry Regiment Fort Riley, Kansas from Oct 20, 1939 till September 17 1942 also serviced B-6 armored Fort Knox, Kentucky. Also servied Jefferson Barracks St. Louis, Mo. He held ranks of Pvt , Sgt 1 Class then Warrant Officer Junior Grade final discharge 1947. Any one out there that may know of my father and his time in the service would appreciate any information. He was pulled from the roster several times to train men on radio.