She remained with the Pacific Fleet training as part of the series of Fleet Problems until 1937. That year she was selected to carry Admiral Hugh Rodman, the President's personal representative for the coronation of King George VI and Queen Elizabeth, and "New York" took part in the Grand Naval Review of 20 May 1937 as sole U.S. Navy representative. In 1937, eight /75 caliber AA guns in two quadruple mounts were added to improve the light AA armament. "New York" was fitted with XAF radar in February 1938, including the first United States duplexer so a single antenna could both send and receive. This made her the second ship to be outfitted with radar after the destroyer . The tests conducted on "New York" led to similar radars being installed on the and cruisers as well as newer battleship . For several years, she served primarily as a training ship for midshipmen and newly enlisted sailors.