 He was promoted to lieutenant colonel on July 1, 1940.Following the Japanese attack on Pearl Harbor, Bradshaw was promoted to the temporary rank of Colonel on December 11, 1941 and appointed Deputy Chief of Staff for Training at Fort Stewart.With the upcoming Operation Torch, an Anglo–American invasion of French North Africa, he was ordered to England in mid-September 1942 and assumed duty as Chief of Anti-Aircraft Section, Allied Force Headquarters in London under Lieutenant general Dwight D. Eisenhower.