NASA BARGE PEGASUS

Lengthened August 2014 to August 2015

Published Sept. 1, 2015
The Marine Design Center, based in Philadelphia, PA, worked to refurbish NASA's long-serving Pegasus craft, which will begin transporting rocket components for next-generation Space Launch System (SLS) between manufacturing, testing and launch locations.

The Marine Design Center, based in Philadelphia, PA, worked to refurbish NASA's long-serving Pegasus craft, which will begin transporting rocket components for next-generation Space Launch System (SLS) between manufacturing, testing and launch locations.

The Marine Design Center, based in Philadelphia, PA, worked to refurbish NASA's long-serving Pegasus craft, which will begin transporting rocket components for next-generation Space Launch System (SLS) between manufacturing, testing and launch locations.

The Marine Design Center, based in Philadelphia, PA, worked to refurbish NASA's long-serving Pegasus craft, which will begin transporting rocket components for next-generation Space Launch System (SLS) between manufacturing, testing and launch locations.

Vessel Owner: National Aeronautics and Space Administration

Lengthening Shipyard: Conrad Shipyard, Amelia, LA

Project Management Team: USACE Marine Design Center and NASA Marshall Space Flight Center

Design Team: USACE Marine Design Center, NASA Marshall Space Flight Center, and Bristol Harbor Group, Inc.

Vessel Operation Team: NASA Marshall Space Flight Center

Vessel Particulars

  • Length overall - 310'
  • Hull breadth - 50'
  • Hull depth - 15' 
  • Built - 1999 

New Machinery, Equipment and Special Features 

  • Generator Engines: (3) John Deere, 200 kW ea, 1800 RPM
  • Switchboard and Motor Control Center: 460VAC, Total Instrument & Electrical Services Inc.
  • Cargo Shed Covers: Crown International Steel Building Systems Inc.
  • D-Ring Tie Downs: (249) Peck and Hale F198-1/2
  • Vessel lengthened from 260’ to 310’ by removal of 115’ midbody section and insertion of new 165’ strengthened midbody
  • Various steel, piping, pump and valve replacements as well as servicing of all machinery and electrical equipment  
  • New generators, switchboard, motor control center, cabling, machinery space ventilation, paint coatings, and hull anodes  
  • New rocket mounting pedestals, hardware and deck pads proof tested for a maximum downward load of 556,000 lbs  
  • New 480VAC electrical power distribution system for Self Propelled Modular Transporters  
  • American Bureau of Shipping International Load Line Certificate 
  • American Bureau of Shipping Certificate of Classification for Maltese Cross A-1 Barge, Circle E