Crewless Ghost Ships of the Interwar Navy. Despite lacking a sailor at the helm, these revolutionary radio-controlled auxiliaries helped the U.S. Navy perfect the aerial doctrine it would adopt in World War II. By Thomas Wildenberg. March 2014 Naval History Magazine Volume 28, Number 2.
Between World Wars I and II, several old warships were converted into radio-controlled ships to serve as U.S. Navy targets for experimental exercises. This series of postcards sequences (in the issue of NHM) the 22 March 1923 final exercise of the battleship formerly known as the Iowa, in which she served as a target for the battleship Mississippi and finally sank in the Panama Gulf.