Lockheed Martin warns that fast-track plans to develop alternate commercial human-rated transport systems to the International Space Station could be costly in terms of time, money and even safety.rnThe warning comes as the Review of U.S. Human Space Plight Plans Committee completes its final options for presidential consideration. At the same time, Lockheed Martin reveals it is examining a wide range of futuce tasks for the Orion crew exploration vehicle far beyond the lunar and International Space Station (ISS) support missions for which it was originally conceived. The company plans to complete the preliminary design review for the spacecraft bv month-end.
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