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Space.com on MSNCould NASA's Mars Sample Return be saved? Lockheed Martin proposes $3 billion plan to haul home Red Planet rocks (video)Lockheed Martin has unveiled a new proposal to take over NASA's beleaguered Mars Sample Return mission for less than half the ...
NASA"s beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...
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