NASA The Landsat Program
Find images and data from the Landsat Program, a series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.
Archive site for the longest running enterprise for acqusition of imagery of the Earth from space. The images are used in the areas of global change, agriculture, geology, forestry, regional planning, education, and national security.
Supports the purchasing, distribution, and sharing of Landsat 4, 5, and 7 imagery worldwide by providing a platform-independent user interface and search engine.