The commanding officer of the Pearl Harbor-based Virginia-class fast attack submarine USS Mississippi was relieved of his duties Friday due to a loss of confidence in his ability to command, the Navy said. Cmdr. Tory Swanson was removed from his position by Capt. Harry Ganteaume, commander of Submarine Squadron 1. A command investigation into the circumstances leading to Swanson's relief is ongoing, the Navy said. Cmdr. Brook DeWalt, a spokesman for the U.S. Pacific Fleet submarine force, said he was limited in what he could say, but that the removal "was a matter of professional nature — not a personal...