ランドサット
Civilian and scientific space policy is carried out by the National Aeronautics and Space Administration (NASA, subsequent to 29 July 1958), and military space activities (communications, reconnaissance, intelligence, mapping, and missile defense) are carried out by various agencies of the Department of Defense. The President is legally responsible for deciding which space activities fall under the civilian and military areas. In addition, the Department of Commerce's National Oceanic and Atmospheric Administration operates various services with space components, such as the Landsat program.