The U.S. Navy awarded General Dynamics NASSCO a one-year contract extension for littoral combat ship sustainment. The deal could be worth up as much as $83.5 million.

The deal covers maintenance, corrosion control, administration and engineering support services, as well as travel associated with the planning and execution of depot level maintenance, alterations and modifications.

The Southwest Regional Maintenance Center in San Diego awarded the deal on May 20.

General Dynamics trades on the New York Stock Exchange under the symbol GD.