The Navy relieved the commanding officer and top enlisted official of a small boat unit Friday, according to a statement from the service . Cmdr. Brett Robblee and Command Master Chief Felix Phillips were relieved from leadership of Maritime Expeditionary Security Squadron 4 by Capt. Christopher Milner, the commander of Maritime Expeditionary Security Group 2, headquartered in Virginia Beach, Virginia. The squadron is one of a handful of units that provide "anti-terrorism defense for American