Enhanced Polar System (EPS) Control and Planning Segment (CAPS) provides space-enabled, secure communications capabilities to polar users in support of national objectives.
Enhanced Polar System Control and Planning Segment (EPS CAPS)

Enhanced Polar System (EPS) Control and Planning Segment (CAPS) provides space-enabled, secure communications capabilities to polar users in support of national objectives.
The Milstar Communications Network — a series of advanced satellites linked to mobile ground terminals — provides assured command and control to U.S. forces worldwide.
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The Enhanced Polar System (EPS) will provide continuous coverage in the polar region for secure, jam-resistant, strategic and tactical communications to support peacetime, contingency, homeland defense, humanitarian assistance and wartime operations.
Northrop Grumman is a leader in the development and manufacture of multi-gigabit-per-second communication links, with more than three decades of experience successfully integrating gigabit links into high performance space missions.
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Built by Northrop Grumman Corporation in support of the Missile Defense Agency, two demonstration Space Tracking and Surveillance System satellites successfully completed their missions and have been retired.
The U.S. Air Force's Advanced Extremely High Frequency (AEHF) system is the nation's next-generation military strategic and tactical relay system, which will deliver survivable, protected communications to U.S. forces and selected allies worldwide.