HSV-2 Swift is a hybrid catamaran originally leased by the United States Navy as a mine countermeasures and sea basing test platform. She is now privately owned and operated by Sealift Inc. and previously chartered to the United States Navy Military Sealift Command. She was primarily used for fleet support and humanitarian partnership missions. The HSV stands for "High Speed Vessel", and its home port while chartered was Naval Amphibious Base Little Creek in Norfolk, Virginia.