AEHF Overview
presentation to
AFCEA
Los Angeles Chapter
Colonel Michael Sarchet
20 Aug 2009
Overview
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AEHF Operational View
AEHF Architecture
AEHF Capabilities
Protected SATCOM
Advanced Concepts Group (ACG)
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Advanced EHF and the Protected
Product Line Operational View
IPS
EPS
AEHF Satellite
AEHF Satellite
Enhanced
Capacity
Crosslink
KI-54
IPS
Terminal
IPS
Ground
EPS
Terminal
TBD
Gateway
FAB-T
Air Force
Terminal
VPCX
TBD
KGV-136
KI-54
Milstar I/II Satellite
Backward
Compatible
Crosslink
Backward
Compatible
Terminals
CCS-C
Navy
AEHF – CCS-C
Data Link
Army / Marines
VPC
Legend
Interim
KGV-136 Command &
Control
Terminal
AEHF
VPCX
FAB-T
Command
Post Terminal
XDR Terminals
ACTS
CCS-C
ACTS
Other
AEHF Ground Segment
KTE
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Advanced EHF (AEHF) Architecture
AEHF and Milstar Will Operate as an Integrated Network for Users
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Advanced Extremely High Frequency
(AEHF) Satellite Program
AEHF-2 in Production
• Provides secure, survivable anti-jam,
anti-scintillation communications for
strategic and tactical users
• 24-hour low, medium, and high data
rate satellite connectivity from 65°N
to 65°S latitude worldwide
• Assured mission-critical strategic
networks
• Low Probability of Detection and
Interception
• Successor to Milstar with greater
capacity
• Backward compatible with legacy
Milstar terminals
• Cooperative agreements with
Canada, United Kingdom, and the
Netherlands
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AEHF New Capabilities
Increased Coverage, Capacity & Flexibility
• 10x Improvement in System Capacity
• 5x Increase in Data Rate
• 6x Number of Terminals
• 3x Number of Networks
• Legacy Terminal Compatible
• Satellite Command & Control
• 2x Capacity
• Backward Compatible for TT&C of Milstar
AEHF-1 in Acoustic Test
• Responsive Mission Planning
• Centralized Apportionment - Decentralized Control
• 4x Increase in number of fences
• Milstar: 100 fences at single level
• AEHF: 440 fences on three levels
• Resources assigned to a fence form a “virtual
constellation” that cannot be co-opted
• UCCs have control over their assigned resources
AEHF is More Flexible and Faster than Legacy EHF Systems
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Protected Communications - EHF
•Milstar I/II
• Survivable comm for strategic mission
• Up to 2.4 kbps (Anti-Scintillation)
• Protected comm for tactical users
• Up to 1.544 Mbps (Anti-Jamming)
• 40 Mbps capacity per satellite
• 2 Milstar I & 3 Milstar II on orbit
• Constellation has provided 50+
years of SATCOM to Warfighters
 Advanced EHF(AEHF)
 Expanded survivable comm capabilities
 Up to 19.2 kbps (Anti-Scintillation)
 Expanded protected comm capabilities
 Up to 8 Mbps (Anti-Jamming)
 430 Mbps capacity per satellite
 Four satellites
 International program: Canada, United
Kingdom, the Netherlands
 Backward compatible with Milstar I/II
AF Terminals support Protected satellites/services; developing expanded
capability through FAB-T Inc 1, GEMS, MMP Upgrade and SMART-T
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Future Technology:
Advanced Concepts Group (ACG)
• Initiates space/ground Capability Insertion Programs (CIPs)
• Terminals, networks, operations and user domains
• Leads Pre-Contract activities for all MILSATCOM Products
• Supports Industry Base
• Enterprise perspective across components
• Standards, usage concepts, product alignments
• Harvests TSAT technology
• Update/align residual artifacts supported by select supplier talent to new
Capability Improvements
• Supports A5 requirements processes
• Projected FY10 AFSPC/A5-led Analysis of Alternatives (AoA) and
MILSATCOM ICD
• CDD development - In FY11
More efficient enterprise alignment across MILSATCOM
Enables Product Group focus on delivery
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