High Quality Content by WIKIPEDIA articles! Rear Admiral Richard Hetherington ?Dick? O'Kane (February 2, 1911 ? February 16, 1994) was a United States Navy submarine commander in World War II, who received a Medal of Honor for his service on the USS Tang (SS-306). Having also served on the near legendary USS Wahoo (SS-238), as Executive Officer (XO) and 'Approach Officer', he participated (directly) in more successful attacks on Japanese shipping than any other fighting submarine officer during the war.