The mission of the Program Executive Office for Maritime (PEO-M) is to provide game-changing capability to hyperenable Naval Special Warfare operators through the development and fielding of advanced surface and undersea platforms and equipment in order to maintain and expand the competitive advantage in the maritime domain The portfolio provides both surface and undersea maritime mobility platforms in various stages of development, production, and sustainment as well as cutting edge SOF Combat Diving equipment. The surface fleet consists of the Combatant Craft Heavy, Combatant Craft Medium, Combatant Craft Assault, Special Operations Craft – Riverine, and Small Unmanned Surface Vehicles. The undersea fleet consists of the Dry Deck Shelter, Dry Combat Submersible, SEAL Delivery Vehicle, SOF Combat Diving, and Small Unmanned Underwater Vehicles.