I’ve got over a dozen rock cores on board, with many more samples to come. Meanwhile, @nasa and @ESA are preparing the extraction team. Check out the bold plan that would bring these samples safely back to Earth in the early 2030s. http://mars.nasa.gov/msr #PerseveranceRover
Mars Sample Return - NASA
NASA and ESA are working to plan ways to bring the first samples of Mars rocks and soil back to Earth for detail study.mars.nasa.gov