NASA is smoothing out the final details of its future program to bring back treasured martian samples, also known as the Mars Sample Return Program, and its new helicopters might make future missions much simpler. Previously, the plan included several steps to introduce a Sample Fetch Rover into missions, which is now replaced by two (really cool and kind of cute) recovery helicopters within the main Sample Retrieval Lander. The new changes will lead scientists to begin building the first prototypes over the next year.
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