Polar Satellite Communications
Abstract
This program element acquires the Polar Military Satellite Communications (MILSATCOM) system that provides protected communications (anti-jam and low probability of intercept and detection) for users in the north polar region. Through FY05, Polar Satellite Communications had funded three low data rate (LDR) Milstar packages on three classified host satellites as an expedited, interim solution for protected connectivity requirements in the north polar region (i.e., Interim Polar System (IPS)). Two satellites with hosted packages are required to provide the necessary 24-hour coverage. The third package went into operations in November 2008 to sustain the 24-hour coverage. In FY06, the DoD began funding the next generation Polar Satellite Communications capability with two more polar packages via the same type host vehicle (i.e., Enhanced Polar System (EPS)). The host spacecraft and the polar communications packages require design modifications to replace obsolete components and take advantage of the more capable Advanced Extremely High Frequency (AEHF) technology including the eXtended Data Rate (XDR) waveform. The EPS Capability Development Document (CDD), Joint Requirements Oversight Council approved in September 2006, is based on a two-package, hosted XDR program with operational availability in CY15 and CY17. The EPS system is intended to be comprised of four segments: Payload, Ground Control, Gateway, and Terminal (acquired by each Service's Terminal Program Office). In FY11, the EPS CDD was updated to provide a stand-alone ground capability that was no longer fully integrated with AEHF. The restructured program will deliver “IPS-like” capability with the XDR waveform, and a connection to the defense network. An EPS system-level Preliminary Design Review (PDR) will be held 3QFY2013 and a Milestone B review will be held 4QFY2013. FY13 funds will continue integration of the two EPS packages (payloads) onto the host satellites. Following award of the ground Control and Planning Segment (CAPS) in late FY12, the program office will begin development of the ground CAPS. The program office will conduct a PDR of the ground CAPS. Additionally, the program office will conduct a Critical Design Review (CDR) of the Navy-developed ground Gateway segment. The Polar MILSATCOM program is in Budget Activity 4, Advanced Component Development and Prototypes (ACD&P) because efforts are necessary to evaluate integrated technologies, representative modes or prototype systems in a high fidelity and realistic operating environment.
Document Details
- Document Type
- Project
- Publication Date
- Oct 01, 2013
- Source ID
- 644052_0603432F_4_3600_PB_2013
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