The Sciences and Exploration Directorate is comprised of four main Divisions. SED includes a number of support offices and efforts that support activities and services for the entire directorate. See organization function statements [ MS Word ].
Org. Chart:
[ Click on chart above for PDF of all charts ]
Landsat was the series of revolutionary satellites that were first launched in 1972 for the purpose of systematically photographing the surface of the Earth from space.