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The Adaptive Caching Assembly (ACA) for NASA’s Mars Perseverance rover arrives aboard NASA’s C-130 aircraft at the Launch and Landing Facility at the agency’s Kennedy Space Center in Florida on May 11, 2020. The ACA consists of seven motors and more than 3,000 parts, all working in unison to collect samples from the surface of Mars. A chief component of the assembly is the Sample Handling Arm, which will move sample tubes to the main robotic arm's coring drill and then transfer the filled sample tubes into a space to be sealed and stored. The Mars Perseverance rover is scheduled to launch in m…
