 He later served in a variety of Coast Artillery commands, including with the 59th Coast Artillery Regiment in the Philippine Islands in 1925 and completed the Army Field Artillery School at Fort Sill, Oklahoma.In August 1936, Bradshaw joined the office of the Chief of Coast Artillery Corps under Major general Archibald H. Sunderland and served as Major and Editor of the Coast Artillery Journal until October 1940.He was then appointed Federal Inspector & Instructor of 7th Regiment, New York National Guard and remained in that capacity until March 1941, when he was appointed Deputy for Administration, Anti-Aircraft Artillery Training Center at Fort Stewart, Georgia.