Satellite DATA search
USGS – U.S. Geological Survey, Earth resource Observation and Science Center (EROS)
http://eros.usgs.gov/satellite-imagery
Global Visualization Viewer
http://glovis.usgs.gov
USGS – U.S. Geological Survey, EarthExplorer
http://earthexplorer.usgs.gov
NASA Earth Data
https://earthdata.nasa.gov/earth-observation-data
Landsat data access
http://landsat.gsfc.nasa.gov/?page_id=2367
European Space Agency (ESA)
http://www.esa.int/Our_Activities/Observing_the_Earth
AIRBUS
http://www.geo-airbusds.com/en/65-satellite-imagery
WorldView-3, WorldView-2, WorldView-1, GeoEye-1, QuickBird, IKONOS
http://www.euspaceimaging.com/imagery-search