ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) imagery is available since 2000 from the NASA Terra satellite. This sensor is a joint activity of NASA and the Japanese Ministry of Economy, Trade and Industry (METI). ASTER supplies high resolution visible and infrared imagery, plus thermal imagery and stereographic capabilities. The collection of ASTER available through GLCF is designed to compliment overall project goals of distributing a global, multi-temporal, multi-spectral and multi-resolution range of imagery appropriate for land cover analysis