The Arleigh Burke-class destroyer USS Sampson spills nearly 2,000 gallons of diesel fuel into Seattle harbor during routine defueling operations at Vigor Shipyard, according to reports. The spill occurs while the ship is transferring fuel as part of normal maintenance and operational procedures. Both outlets describe the amount as roughly 2,000 gallons and characterize the event as taking place during the ship’s refueling/defueling process at the shipyard. The reports do not provide additional details in the provided text about injuries, the extent of environmental impact, or cleanup measures. They also do not specify whether authorities or shipyard personnel have concluded an investigation or identified the cause. Overall, the accounts agree on the vessel involved, the approximate spill volume, and the location and nature of the operations during which the diesel was discharged.