1 min readC-20 ASAR FlightNASADec 20, 2021 Image Article NASA's Armstrong Flight Research Center flies the C-20 AFRC2021-0099-04 NASA’s Armstrong Flight Research Center flies the C-20 aircraft in support of the Advanced Synthetic Aperture Radar (ASAR) campaign on July 22, 2021. July 22, 2021 Credits: NASA Photo / Carla Thomas