EHF SATCOM and Computer

Abstract

The aging Ultra High Frequency (UHF) Military Satellite Communications system is being phased out and replaced by the Advanced Extremely High Frequency (AEHF) Satellite Communications (SATCOM) system. The B-2 Extremely High Frequency (EHF) SATCOM program supports the replacement of the present B-2 UHF Terminal Set with an EHF SATCOM system that will be compatible with the legacy MILSTAR I/II satellite constellation and the future AEHF satellite constellation. The B-2 EHF SATCOM system is one element of a system of systems that includes the AEHF satellites, multiple platforms, and the Family of Advanced Beyond-Line-of-Site Terminals (FAB-T) or other equivalent terminals, as required. The B-2 EHF SATCOM upgrade is a three increment program. Increment 1 will provide upgraded flight management computer processors, increased data storage, re-hosted flight management operational flight program, and a high bandwidth data bus in order to prevent degradation of existing capabilities resulting from EHF SATCOM installation. Additionally, the Increment 1 Integrated Processing Unit and Disk Drive Unit architectures establish a high speed fiber optic structure network as well as maintain connectivity to legacy interfaces. Increment 1 provides a processing growth path to future B-2 upgrades. Increment 2 will integrate the FAB-T Government Furnished Equipment, or other equivalent terminals (if required), into the B-2 as well as develop and install a low-observable antenna system consisting of arrays, antenna line replaceable units, and structural modifications for both power and cooling. This upgrade is critical to ensure the B-2 is compatible with the next generation communications satellite architecture and is absolutely essential in providing uninterrupted, highly survivable communications required for the command and control of the nation’s strategic nuclear forces. Connectivity is mandatory to enable network centric enabled attack in an anti-access environment. Increment 3 will enable the B-2 to interface with the Global Information Grid and provide net ready capability. This program is in Budget Activity 7, Operational System Development because this budget activity includes development efforts to upgrade systems that have been fielded or have received approval for full rate production and anticipate production funding in the current or subsequent fiscal year.

Document Details

• Document Type: Project
• Publication Date: Oct 01, 2012
• Source ID: 676022_0101127F_7_3600_PB_2012

Tags

Readers

• Naval Mine Countermeasure Systems Development.
• Tactical Satellite Communications Systems Engineering.

Technology Areas

• Fully Networked C3
• Fully Networked C3 - Command and Control
• Space
• Space - Satellites