"Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) is a joint U.S.-German-Italian project that uses a highly sophisticated imaging radar to capture images of Earth that are useful to scientists across a great range of disciplines. The instrument was flown on two flights in 1994. One was on space shuttle Endeavour on mission STS-59 April 9-20, 1994. The second flight was on shuttle Endeavour on STS-68 September 30-October 11, 1994."--Title screen.