The 25,100-gt Sgt Matej Kocak (built 1981) suffered the casualty yesterday off the east coast of Okinawa island. It remained aground Friday.

The Navy has been working with local authorities to determine the best way to re-float the ship, according the Seventh Fleet.

There were no reports of pollution. None of the 38 civilian crew members or 93 Navy and Marine Corps personnel onboard were injured, the Navy said.

Seventh