JPL optical technician Jerry Mulder performs a final inspection and swab cleaning of the front optics of the Mars 2020 mission’s Perseverance rover Mastcam-Z cameras at the Kennedy Space Center in March, 2020.

Credit: NASA/JPL-Caltech

Instrument Gallery Photo 24

JPL optical technician Jerry Mulder performs a final inspection and swab cleaning of the front optics of the Mars 2020 mission’s Perseverance rover Mastcam-Z cameras at the Kennedy Space Center in March, 2020.