Gray Space Satellite Systems

What's Out There

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The greatest threat to continued United States control of space is Gray Space. This section provides background on numerous Gray Space systems, including images and text describing missions, satellite summaries, and basic descriptions of goods and services. Gray Space satellite systems can conveniently be broken into four main categories:

• Surveillance Satellites—providing multispectral remote sensing from space for earth resources management applications, and potentially for intelligence collection purposes.
• Communication Satellites—providing reliable global communications via radio, video, fax, or pager.
• Meteorological Satellites—providing up-to-date weather information.
• Navigation Satellites—providing accurate positioning data for worldwide users.

The following sections contain examples of each of the four categories of satellites currently operating. More detailed information on these and other satellites can be obtained by referencing the end notes and bibliography. Click on the title to take you to that particular section.

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