Semi-submersibles - See Also

See Also

• Drydock – facility used to repair and maintain ships; some are floating and can be submerged to load vessels.
• Heavy lift ship – semi-submerging vessel for transportation of very large loads.
• Narco submarine – low profile vessels used to smuggle cocaine from South America to the United States.
• RP FLIP (FLoating Instrument Platform) – a tilting craft designed to form a stable platform for scientific data collection.
• Sea Shadow (IX-529) – a craft designed and built by Lockheed Corporation with the superstructure joined to the hulls with continuous members.
• Small waterplane area twin hull – a "SWATH" vessel consists of two submarine-like structures supported on streamlined pylons.
• Submersible or Midget submarine – for small submarine craft.
• Submersible drilling rig – for submersible drilling vessels.
• USS Monitor – the U.S. Civil War warship considered to be the earliest semi-submerged ship.
• USS Spuyten Duyvil – another U.S. Civil War semi-submerged ship, capable of flooding down to a lower profile.
• Welfreighter – a submersible designed by Britain during the second World War to carry combat swimmers.