With the backshell that will help protect the Mars 2020 rover during its descent into the Martian atmosphere visible in the foreground, a technician on the project monitors the progress of Systems Test 1. Over two weeks in January, 72 engineers and technicians assigned to the 2020 mission took over the High Bay 1 cleanroom in JPL's Spacecraft Assembly Facility to put the software and electrical systems aboard the mission's cruise, entry capsule, descent stage and rover through their paces.
NASA
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