Detyens Shipyards Inc. has been awarded an $8.5 million contract to overhaul a Navy refueling ship in at its North Charleston facility.

The dry-dock work on the USNS Laramie is expected to take 55 days and be completed in June, according to a statement from the Washington, D.C.-based Military Sealift Command.

The contract value could increase to $9.5 million if certain options are exercised.

The Laramie's primary mission is to refuel Navy ships at sea and deliver jet fuel for military aircraft assigned to carriers.

Locally based Detyens was one of two companies that submitted proposals for the work. It shipyard is on the former Navy base.