The first USS Oahu (PR-6), a Yangtze River gunboat, was laid down by Kiangnan Dock and Engineering Works, Shanghai, China, 18 December 1926; launched as PG–46 on 26 November 1927; sponsored by Mrs. Bryson Bruce, wife of Comdr. Bruce; and commissioned 22 October 1928, Lt. Comdr. A. C. Thomas in command.