Images from the Spaceborn Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) project are available from 1994 to the present. The radar was launched in 1994 to study the changing global environment. The newest images are available on the main page while older images can be viewed by selecting one of nine categories: Archaeology; Cities; Ecology & Agriculture; Geology, Interferometry; Oceans; Rivers; Snow, Ice, Glaciers; and Volcanoes.