Since its establishment in 1958, NASA has become well known for its advances in space exploration, and closer to home, highly recognized for its long history of scientific research using Earth observing satellites. From the early days of the TIROS program, whose first satellite was launched in 1960, to the more recent Landsat program, which has spanned 40 years of operation from 1972 to present (…and still going), NASA has been a leader in using satellite observations to improve our understanding of Earth.
