"(ASTER) Level 1 Terrain and Precision Corrected Radiance At-Sensor product is generated in collaboration with the National Aeronautics and Space Administration and the U.S. Geological Survey"--Page iii.
"(ASTER) is a joint mission between the National Aeronautics and Space Administration (NASA) and Japan's Ministry of Economy, Trade and Industry (METI)."
Title from title screen (viewed February 20, 2019).