NASA's 83-0502

Formally flying for the United States Air Force, this G-20A (Gulfstream-III) was acquired by the National Aeronautical and Space Administration in 2003 to become a test-bed/research aircraft. Hanging below 83-0502 (c/n 389) is an Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) array. According to their website, 83-0502 was used to survey Mauna Loa yesterday. For more information click here.