GROTON, Conn. -- The commander of a U.S. nuclear submarine that collided with a Turkish cargo ship in the Persian Gulf this month was relieved of command Wednesday and two other officers were reassigned, the Navy said. Cmdr. Steven M. Oxholm put the submarine in a hazardous situation, a Navy investigation found, and he received a letter of reprimand. The Groton-based USS Philadelphia was traveling on the surface of the Gulf on Sept. 5 when it slammed into the bulk carrier M/V Yaso Aysen. Citing a lack of confidence in Oxholm's ability to command, Rear Adm. John Bird relieved him...