The Unmanned Air Vehicle Synthetic Aperture Radar (UAVSAR) is a project jointly developed by the Jet Propulsion Laboratory and NASA Armstrong Flight Research Center in which a synthetic aperture radar is being flight-validated on a Grumman Gulfstream G-III in a specially designed pod that will be interoperable with manned and unmanned aircraft. The modified G-III provides a platform to not only test and evaluate the new radar, but can also be used to gather scientific data for multiple geophysical studies.

Gulfstream III in flight