Cmdr. Arthur Ray relieves Cmdr. Terry Johns as commanding officer of the Coast Guard Cutter Vigorous during a change of command ceremony. (U.S. Coast Guard photo by Petty Officer 2nd Class Walter Shinn) PORTSMOUTH, Va. — Cmdr. Arthur Ray relieved Cmdr. Terry Johns as commanding officer of the Virginia Beach-based Coast Guard Cutter Vigorous during a change of command ceremony Thursday aboard the...