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Northrop Grumman Completes Lunar Lander Study For Golden Spike Company

REDONDO BEACH, Calif., May 8, 2013 /PRNewswire/ -- Northrop Grumman Corporation (NYSE: NOC) has completed a feasibility study for a new commercial lunar lander for the Golden Spike Company (GSC). The study confirmed the viability of lander concepts for Golden Spike's human lunar expedition architecture and conceived a novel new, low-mass ascent stage concept dubbed "Pumpkin."

(Logo: http://photos.prnewswire.com/prnh/20121024/LA98563LOGO)

A photo accompanying this release is available at http://media.globenewswire.com/noc/.

Northrop Grumman's study for Golden Spike conducted the following tasks:
  • Reviewed GSC's level one requirements and synthesized a set of study ground rules and assumptions emphasizing automated operations, simplicity and low cost.
  • Established propulsion requirements for lunar orbit loiter, descent to the lunar surface, ascent to low lunar orbit and rendezvous with a crew vehicle for pragmatic lunar landing sites.
  • Developed current and stretch factors to reflect the improvement in relevant technologies since the completion of the Apollo program.
  • Evaluated 180 lunar lander cases for various options and sensitivities including loiter, staging, propellants, engines, surface duration, surface cargo and technology basis.
  • Established a pragmatic design trade space for future more detailed analysis and development.

The study determined that for GSC's mission architecture, there are many more options for all cryogenic propellants compared with storable propellants, but that multiple storable propellant options are possible. Cryogenic propellants have higher performance, but are more difficult to contain for the GSC mission duration than storable propellants such as those used in the Apollo program.

A novel set of options using a minimalist pressurized ascent pod and descent stage with a surface habitat was also studied and shown to be viable. Layout sketches of this concept show that it can be packaged within a five-meter diameter fairing payload envelope.

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