NASA’s beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a streamlined, lower-cost alternative that could slash the mission’s price tag by more than half.
Facing significant funding cuts across multiple programs, NASA’s ambitious international effort to retrieve Martian samples and return them to Earth is under threat. Already jeopardized by Russia’s withdrawal from the program following its invasion of Ukraine, the mission now faces potential cancellation due to shifting priorities within the current US administration.
Under new agency guidelines, NASA has been ordered to focus more on deep-space crewed missions to the Moon and Mars, along with other endeavors involving cutting-edge technology, while axing projects that have been marked by massive spending without a proportionate scientific return.
One prime candidate for the chop is the Mars Sample Return mission, which is a staggeringly ambitious international program involving many nations that is tasked with using multiple spacecraft to collect samples from the surface of Mars and then return them to Earth for in-depth laboratory analysis.
The mission’s first phase is already underway, with NASA’s Perseverance rover exploring the surface of Mars. As it traverses the dunes and dead river beds that last saw water two billion years ago, it’s been collecting drilling samples that have been sealed in special container tubes left behind on the ground like a paper trail in a cosmic game of Hares & Hounds.
The idea is that a second lander will eventually set down in the vicinity of the first and deploy a second rover that will follow the path blazed by the nuclear-powered Perseverance and collect the tubes. These will be stored in a special sealed container, which will be placed in a small rocket that will be fired into orbit around Mars where it will rendezvous with yet another spacecraft for return to Earth.

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