The commander of the Navy's Carrier Strike Group 15 based in San Diego was relieved of his duties Friday, the Navy said in a release on Saturday. Rear Adm. Rick Williams was removed from his position due to a loss of confidence in his ability to command, the release said. The Navy's Third Fleet Commander Vice Adm. Nora Tyson relieved Williams based on the results of an investigation into allegations of misuse of government computer equipment. Williams took command of Carrier Strike Group 15 in July 2015. He has been administratively reassigned, the release said, to the staff of Commander,...