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The Space Emergency Broadcasting Network

The Department of Homeland Security (DHS) also is working on a satellite wireless communications system which will allow mobile e-mail and voice communications to operate if the cellular infrastructure is compromised.

Space Situational Awareness and On-orbit Servicing

Space systems are an ideal technology for many military applications and will continue to play key roles in homeland security, defense, and intelligence arenas. For communications, satellites provide an “over-the-horizon” capability that is not matched by terrestrial communication systems.

Constant Additions to U.S. Military Capability through GPS

The U.S. Military’s Global Positioning System (GPS) was completed in 1993. Initially, the system was developed to create a single navigation system used by all forces and for precision weapon delivery. The system is still used for munitions guidance and has become an integral part of logistics tracking and navigation and control of UAVs.