Polar MILSATCOM (SPACE)
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 funded three low data rate (LDR) Milstar payloads 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 payloads are required to provide the necessary 24-hour coverage. The third payload 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 payloads via the same host vehicle type (i.e., Enhanced Polar System (EPS)). The host spacecraft and the polar communications payloads required design modifications that replaced obsolete components and took advantage of the more capable Advanced Extremely High Frequency (AEHF) technology including the eXtended Data Rate (XDR) waveform. The EPS Capability Development Document (CDD), approved by the Joint Requirements Oversight Council in September 2006, is based on a two-payload, hosted XDR program with operational availability in CY15 and CY17. The EPS system is 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. The ground Control and Planning Segment (CAPS) contract was awarded late November 2012. The program office conducted a CAPS Preliminary Design Review (PDR) in June FY13 and a Gateway Segment Critical Design Review September FY13. An EPS system-level PDR was held 27-28 August 2013. In FY14, due to a change in Budget Activity from 4 to 5, funds transfer to PE 0605432F, Project 657105. 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
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2015
- Source ID
- 0603432F_4_3600_PB_2015
- Change Summary Explanation
- FY13: Other Adjustment row: -$9.788M, due to sequestration. -$29.906M reprogrammed for higher AF priorities.
- Service Agency Name
- Air Force
Entities
Organizations
- United States Air Force
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