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<ref name="Janson1990">{{cite book |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900016612_1990016612.pdf |title=Astronautics and Aeronautics, 1979-1984: A Chronology |publisher=NASA |first1=Bette R. |last1=Janson |first2=Eleanor H. |last2=Ritchie |pages=168, 211 |date=1990 |oclc=21925765}}</ref>
<ref name="Janson1990">{{cite book |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900016612_1990016612.pdf |title=Astronautics and Aeronautics, 1979-1984: A Chronology |publisher=NASA |first1=Bette R. |last1=Janson |first2=Eleanor H. |last2=Ritchie |pages=168, 211 |date=1990 |oclc=21925765}}</ref>


<ref name="Deming2007">{{cite book |url=http://environmental.ksc.nasa.gov/projects/documents/SSPsurvey.pdf |title=Survey and Evaluation of NASA-owned Historic Facilities and Properties in the Context of the U.S. Space Shuttle Program |publisher=NASA |first1=Joan |last1=Deming |first2=Patricia |last2=Slovinac |pages=370–372 |date=October 2007 |accessdate=November 12, 2013}}</ref>
<ref name="Deming2007">{{cite book |url=http://environmental.ksc.nasa.gov/projects/documents/SSPsurvey.pdf |title=Survey and Evaluation of NASA-owned Historic Facilities and Properties in the Context of the U.S. Space Shuttle Program |publisher=NASA |first1=Joan |last1=Deming |first2=Patricia |last2=Slovinac |pages=370–372 |date=October 2007 |accessdate=November 12, 2013 |deadurl=yes |archiveurl=https://web.archive.org/web/20131112155706/http://environmental.ksc.nasa.gov/projects/documents/SSPsurvey.pdf |archivedate=November 12, 2013 |df= }}</ref>


<ref name="colspace20120821">{{cite news |url=http://www.collectspace.com/news/news-082112a.html |title=NASA's space shuttle rocket recovery ship setting sail for Merchant Marines |work=CollectSpace |first=Robert Z. |last=Pearlman |date=August 21, 2012 |accessdate=November 11, 2013}}</ref>
<ref name="colspace20120821">{{cite news |url=http://www.collectspace.com/news/news-082112a.html |title=NASA's space shuttle rocket recovery ship setting sail for Merchant Marines |work=CollectSpace |first=Robert Z. |last=Pearlman |date=August 21, 2012 |accessdate=November 11, 2013}}</ref>

Revision as of 13:55, 29 January 2018

TV Kings Pointer
History
United States
NameMV Liberty Star
OwnerNASA
OperatorUnited Space Alliance[1]
BuilderAtlantic Marine Shipyard, Fort George Island, Florida, U.S.[1]
ChristenedSeptember 27, 1980[2]
AcquiredOctober 1980[2]
In serviceJanuary 1981[3]
Out of serviceSeptember 14, 2012
HomeportPort Canaveral, Florida, U.S.
Identification
StatusTransferred to Maritime Administration
History
United States
NameTV Kings Pointer
OwnerU.S. Dept of Transportation
OperatorU.S. Maritime Administration
AcquiredSeptember 14, 2012[5]
HomeportKings Point, New York, U.S.[5]
StatusIn service
General characteristics
Tonnage484 GT, 743 GRT; 239 NT, 222 NRT[6]
Displacement1,052 short tons (954 t)[7]
Length176 ft (53.6 m)[7]
Beam37 ft (11.3 m)[7]
Height72 ft (21.9 m)[3]
Draft12 ft (3.7 m)[7]
Depth15 ft (4.6 m)[7]
Installed power2 × 223 hp (166 kW) Kato generators[7]
Propulsion
Speed15 kn (28 km/h; 17 mph)[7]
Range6,900 mi (11,100 km)[7]
Endurance30 days[7]
Capacity24 maximum[1]
Complement
  • 10 × crew
  • 9 × retrieval specialists
  • 1 × retrieval supervisor
NotesTowing capacity: 60,000 lb (27,200 kg)[7]

MV Liberty Star was a NASA-owned and United Space Alliance-operated vessel which primarily served as an SRB recovery ship following the launch of Space Shuttle missions. It also performed tugboat duties and acted as a research platform. In 2012 it was transferred to the U.S. Department of Transportation for use as a training vessel at the United States Merchant Marine Academy as the TV Kings Pointer. Her sister ship is the MV Freedom Star.

History

The recovery ships were built at Atlantic Marine Shipyard on Fort George Island, Florida, and delivered in January 1981 to their original owner, United Technologies Corporation. As well as recovering the Space Shuttle SRB's Liberty Star has since 1998 been used to tow the Space Shuttle external fuel tanks from their assembly plant at Michoud Assembly Facility near New Orleans, Louisiana, to the Vehicle Assembly Building at the Kennedy Space Center in Florida. She served a similar role in recovering the first test flight of the Ares I and was anticipated to continue recovering boosters for the Constellation program before it was canceled in 2010.

The Liberty Star underwent special strengthening enhancements to withstand the greater burden of towing the external fuel tanks. The stern was strengthened at critical points, new bulwark fairings were added, and an H-bitt was installed through which cabling is threaded to keep it centered during towing operations. Also installed was a hydraulic towing winch, referred to as a double-drum waterfall winch, holding 2,000 feet (610 m) or more of wire rope on each drum. One drum supports booster retrievals while the other is devoted to external tank towing.

Liberty Star carrying the DeepWorker 2000 submersible.

Liberty Star has also occasionally been used to support scientific research operations including research for the National Oceanic and Atmospheric Administration and several universities. She is usually docked alongside her sister at the Solid Rocket Booster processing facility at the Cape Canaveral Air Force Station in Florida.

Each ship is propelled by two main engines providing a total of 2,900 horsepower. The main engines turn two seven-foot (2.1-meter) propellers with controllable pitch, which provides greater response time and maneuverability. The ships also are equipped with two thrusters. The stern thruster is a water jet system that allows the ship to move in any direction without the use of propellers. This system was installed to protect the endangered manatee population that inhabits regions of the Banana River where the ships are based. The system also allows divers to work near the ship during operations at a greatly reduced risk.[8]

Transfer

On August 21, 2012, NASA agreed to transfer the Liberty Star to the U.S. Department of Transportation for use as a training vessel at the United States Merchant Marine Academy.[9] The ship arrived at Kings Point, New York, on September 13, 2012, with formal turnover occurring on September 14. After being refit for training duty, which included additional berthing, she was renamed TV Kings Pointer, the fifth vessel of the Academy to carry that name. The transfer agreement stipulated that NASA could again use the vessel on future missions if she was available.[10]

References

  1. ^ a b c "Inside SRB Retrieval". Spaceport News. 41 (17). Kennedy Space Center: 4–5. August 23, 2002. Archived from the original (PDF) on June 23, 2003. {{cite journal}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  2. ^ a b Janson, Bette R.; Ritchie, Eleanor H. (1990). Astronautics and Aeronautics, 1979-1984: A Chronology (PDF). NASA. pp. 168, 211. OCLC 21925765.
  3. ^ a b Deming, Joan; Slovinac, Patricia (October 2007). Survey and Evaluation of NASA-owned Historic Facilities and Properties in the Context of the U.S. Space Shuttle Program (PDF). NASA. pp. 370–372. Archived from the original (PDF) on November 12, 2013. Retrieved November 12, 2013. {{cite book}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  4. ^ "Liberty Star". MarineTraffic.com. Retrieved 19 July 2012.
  5. ^ a b "National Defense Reserve Fleet Inventory" (PDF). United States Maritime Administration. October 11, 2012. pp. 2, 10. Retrieved November 12, 2013.
  6. ^ "Liberty Star: General Characteristics". American Bureau of Shipping. Retrieved November 12, 2013.
  7. ^ a b c d e f g h i j k l "Ship Specifications". NASA.gov. September 19, 2002. Archived from the original on November 12, 2013. Retrieved November 12, 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  8. ^ "Space Shuttle Solid Rocket Booster Retrieval Ships". NASA.gov. September 1994. KSC Release No. 46-81. Archived from the original on 2011-02-07. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  9. ^ Pearlman, Robert Z. (August 21, 2012). "NASA's space shuttle rocket recovery ship setting sail for Merchant Marines". CollectSpace. Retrieved November 11, 2013.
  10. ^ Scro, Michael (September 20, 2012). "Academy welcomes training vessel". The Island Now. Archived from the original on March 4, 2016. Retrieved November 12, 2013. {{cite news}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

Media related to Liberty Star (tugboat, 1981) at Wikimedia Commons

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