NORTH SEA (July 21, 2011) - U.S. Navy Divers from Mobile Diving and Salvage Unit (MDSU) 2, prepare to move divers to the dive stage for diving operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Bryan Williams, attached with Mobile Diving and Salvage Unit (MDSU) 2, stands fast during final preparations for diving operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Master Chief Navy Diver Kelly Polk, attached with Mobile Diving and Salvage Unit (MDSU) 2, conducts the pre-dive safety brief before diving operations begin aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Geoff Smitman of Mobile Diving and Salvage Unit (MDSU) 2, dons his KM 37 surface supply diving helmet aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Bryan Williams, stationed with Mobile Diving and Salvage Unit (MDSU) 2, adjusts his helmet aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Navy Divers, stationed with Mobile Diving and Salvage Unit (MDSU) 2, man the stage to commence diving operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Bryan Williams of Mobile Diving and Salvage Unit (MDSU) 2, stands-by to commence diving operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Geoff Smitman, stationed with Mobile Diving and Salvage Unit (MDSU) 2, prepares to don his gear and commence dive operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) - Chef Navy Diver Bryan Williams of Mobile Diving and Salvage Unit (MDSU) 2, has soap residue removed from his KM 37 surface supply diving helmet prior to dive operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 21, 2011) Chief Navy Diver Geoff Smitman, stationed with Mobile Diving and Salvage Unit (MDSU) 2, puts on his gloves prior to diving operations from the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 20, 2011) Navy Diver 2nd Class Jason Hatch of Mobile Diving and Salvage Unit (MDSU) 2, removes an umbilical cord during a dive station set-up aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) Navy Divers 1st Class Chris Whitman and Jason Young, stationed with Mobile Diving and Salvage Unit (MDSU) 2, man a line aboard the aft deck of the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. While verifying the sites of suspected shipwrecks, they hope to ultimately find the historic flagship of John Paul Jones, USS Bohnomme Richard. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) Master Chief Navy Diver James Mariano, stationed with Mobile Diving and Salvage Unit (MDSU) 2, talks with the dive team about how to set up a secondary diving line aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) Navy Diver 1st Class Justin Hitz, attached with Mobile Diving and Salvage Unit (MDSU) 2, tension on a line aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) Chief Navy Diver Bryan Williams of Mobile Diving and Salvage Unit (MDSU) 2, oversees dive preparations aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) Chief Navy Diver Jason Gray attached with Mobile Diving and Salvage Unit (MDSU) 2, helps oversee dive station preparations aboard the Military Sealift Command rescue and salvage ship USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) U.S. Navy Diver 1st Class Will Queen, attached with Mobile Diving and Salvage Unit (MDSU) 2, adjusts restraint chains on the standard Navy recompression chamber aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 19, 2011) - Navy Diver 1st Class Steve Vanzant of Mobile Diving and Salvage Unit (MDSU) 2, adjust a shackles pin aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) Navy Divers 1st Class, Will Queen (left) and Shawn Cooley, both stationed with Mobile Diving and Salvage Unit (MDSU) 2, attach a sling to the wire rope holding a clump on the aft deck of the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. While verifying the sites of suspected shipwrecks, they hope to ultimately find the historic flagship of John Paul Jones, USS Bohnomme Richard. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) U.S. Navy Diver 2nd Class Martin Horan (middle), attached with Mobile Diving and Salvage Unit (MDSU) 2, helps man a wire rope aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. While verifying the sites of suspected shipwrecks, they hope to ultimately find the historic flagship of John Paul Jones, USS Bohnomme Richard. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) Chief Navy Diver Bryan Williams, attached with Mobile Diving and Salvage Unit (MDSU) 2, assists his divers in faking down a line aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. While verifying the sites of suspected shipwrecks, they hope to ultimately find the historic flagship of John Paul Jones, USS Bohnomme Richard. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) Sonar Technician (Surface) 2nd Class Dave Meyers, stationed with Mobile Diving and Salvage Unit (MDSU) 2, feeds wire rope onto a winch aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologist, scientist, and historians are currently deployed to the North Sea to conduct diving expeditions. While verifying the sites of suspected shipwrecks, they hope to ultimately find the historic flagship of John Paul Jones, USS Bohnomme Richard. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

NORTH SEA (July 17, 2011) - Electronics Technician 2nd Class Jason Ash, attached to Mobile Diving and Salvage Unit (MDSU) 2, prepares a winch electrical connection aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently deployed to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 17, 2011) - U.S. Navy Diver 1st Class Cory Clifton, attached to Mobile Diving and Salvage Unit (MDSU) 2, attaches a live feed camera to a KM-37 surface supply diving helmet, aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently deployed to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 17, 2011) - U.S. Navy Diver 1st Class Cory Clifton, attached to Mobile Diving and Salvage Unit (MDSU) 2, attaches a live feed camera to a KM-37 surface supply diving helmet, aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently deployed to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

NORTH SEA (July 17, 2011) - Chief Navy Diver Bryan Williams, attached to Mobile Diving and Salvage Unit (MDSU) 2, leads his divers as they move an anchor chain aboard the Military Sealift Command rescue and salvage ship USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently preparing to deploy to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/RELEASED)

ROTA, Spain (July 8, 2011) - Navy Divers test and set-up water heaters aboard the Military Sealift Command rescue and salvage ship, USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently preparing to deploy to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)

ROTA, Spain (July 7, 2011) - U.S. Navy Divers, stationed with Mobile Diving and Salvage Unit (MDSU) 2, move equipment during a gear onload aboard the Military Sealift Command rescue and salvage ship USNS Grasp (T-ARS 51). Grasp, MDSU-2 and Navy archeologists, scientists, and historians are currently preparing to deploy to the North Sea, to conduct diving expeditions and verify sites of suspected shipwrecks. (U.S. Navy Photo by Mass Communication Specialist 1st Class Ja'lon A. Rhinehart/UNRELEASED)