On February 11, 2013, NASA launched the Landsat 8 Earth-observing satellite. Landsat 8 is the latest in the Landsat series of remote-sensing satellites that have provided a continuous record of change across Earth's land surfaces since 1972. USGS EROS Director Frank Kelly discussed the Landsat Program which provides direct societal benefits across a wide range of human endeavors including environmental health, energy and water management, urban planning, disaster recovery and agriculture.
Landsat 8 After One Year
NASA