On June 21, 2019, engineers at NASA's Jet Propulsion Laboratory install the main robotic arm on the Mars 2020 rover. Measuring 7 feet (2.1 meters) long, the arm will allow the rover to work as a human geologist would: by holding and using science tools with its turret. https://photojournal.jpl.nasa.gov/catalog/PIA23227
Album Mars_2020_Perseverance