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NASA

The National Aeronautics and Space Administration operates a custom cargo transportation barge, initially constructed to move the Space Shuttle External Tank. It was later modified for the SLS Program.

NASA previously operated two solid rocket booster recovery ships during the Space Shuttle program, which ended in 2011. (Lead Photo: NASA/Joel Kowsky)

Pegasus Barge

Cargo barge with crew accommodations. Originally build to transport Space Shuttle components in 1999, modified to carry SLS flight hardware in 2014. Photo: Charles Nowlin/Stennis

Liberty Star

Space Shuttle Solid Rocket Booster (SRBs) recovery ship. Occasionally used to tow the Pegasus Barge. Retired from NASA in 2012 at the end of the Shuttle program. Photo: NASA/MSFC

Freedom Star

Space Shuttle Solid Rocket Booster (SRBs) recovery ship. Occasionally used to tow the Pegasus Barge. Retired from NASA in 2012 at the end of the Shuttle program. Photo: NASA Johnson

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