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310TH SPACE WING (AFRC) (310 SW) - Schriever Air Force Base

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14<br />

to essential sites or guaranteeing deployed tactical forces large<br />

data trunks, Milstar’s unique waveform places it at the lead of<br />

the family of protected SATCOM services, reserved for the<br />

highest priority communications.<br />

A key goal of Milstar is to provide interoperability between<br />

<strong>Air</strong> <strong>Force</strong>, Army, Marine and Navy users. Using Milstar,<br />

mobile ground forces, ships, submarines and aircraft are<br />

linked to achieve joint operations with survivable, protected<br />

communication onthe modern battlefi eld.<br />

Milstar’s employment of centralized management and<br />

decentralized execution is exercised through this intelligent<br />

payload, and other features like steerable antennas, so users<br />

can setup communications with minimal interface to outside<br />

agencies. Th e Milstar payloads provide low data rate services<br />

from 75 to 2,400 bits per second, as well as medium data rate<br />

services from 4.8 to 1,544 kilobits per second. Additionally,<br />

the constellation introduced cross-linking capabilities to the<br />

SATCOM community, allowing worldwide connectivity<br />

without the need to intermediate retransmission stations.<br />

Th e satellite weighs approximately 10,000 pounds and has<br />

a geosynchronous orbit altitude of more than 22,000 miles<br />

and a design life of 10 years.<br />

AEHF<br />

Th e Advanced Extremely High Frequency System is a<br />

joint service satellite communications system that will provide<br />

survivable, global, secure, and protected communications for<br />

high-priority military ground, sea and air assets. AEHF will<br />

allow the National Security Council and Unifi ed Combatant<br />

Commanders to control their tactical and strategic forces at all<br />

levels of confl ict through general nuclear war and supports the<br />

attainment of information superiority.<br />

Th e AEHF System is the follow-on to the Milstar system,<br />

augmenting and improving on the capabilities of Milstar,<br />

and expanding the MILSATCOM architecture. AEHF will<br />

provide connectivity across the spectrum of mission areas,<br />

including land, air and naval warfare; special operations;<br />

strategic nuclear operations; strategic defense; theater missile<br />

defense; and space operations and intelligence. AEHF 1 was<br />

launched on Aug. 14, 2010<br />

Th e system will consist of four satellites in geosynchronous<br />

earth orbit (GEO) that provides 10 times the throughput of<br />

the 1990s-era Milstar satellites with a substantial increase in<br />

coverage for users. First launched in August 2010, AEHF<br />

will provide continuous 24-hour coverage between 65<br />

degrees north and 65 degrees south latitude. Th e AEHF<br />

system is composed of three segments: space (the satellites),<br />

ground (mission control and associated communications<br />

links) and terminals (the users). Th e segments will provide<br />

communications in a specifi ed set of data rates from 75 bps<br />

to approximately 8 Mbps. Th e space segment consists of<br />

a cross-linked constellation of four satellites. Th e mission<br />

control segment controls satellites on orbit, monitors satellite<br />

health and provides communications system planning and<br />

monitoring. Th is segment is highly survivable, with both fi xed<br />

and mobile control stations. System uplinks and crosslinks<br />

will operate in the extremely high frequency (EHF) range<br />

and downlinks in the super high frequency (SHF) range.<br />

Th e terminal segment includes fi xed and ground mobile<br />

terminals, ship and submarine terminals, and airborne<br />

terminals used by all of the Services, as well as international<br />

partners (Canada, Netherlands and UK). MILSATCOM is<br />

responsible for acquisition of the space and ground segments<br />

as well as the <strong>Air</strong> <strong>Force</strong> terminal segments.<br />

Detachment 1<br />

Th e 50th Operations Group, Detachment 1 is located just<br />

minutes away from the Nation’s capital at the National Oceanic<br />

and Atmospheric Administration Satellite Operations<br />

Facility in Suitland, MD. Detachment 1 provides oversight<br />

for all operations, maintenance, sustainment, and acquisition<br />

activities associated with the Defense Meteorological<br />

Satellite Program. Detachment 1 partners with the 6th Space<br />

Operations Squadron which provides backup command and<br />

control for the DMSP satellite constellation. Detachment<br />

1 was activated on Jan. 20, 2011 following closure of the<br />

National Polar Orbiting Environmental Satellite System<br />

program offi ce. DMSP is the DoD’s sole weather satellite,<br />

providing critical data to agencies such as <strong>Air</strong> <strong>Force</strong> Weather<br />

Agency, Fleet Numerical Meteorological and Oceanography<br />

Center, National Weather Service, Joint Typhoon Warning<br />

Center, National Ice Center, NASA, and warfi ghters around<br />

the globe.<br />

©2012 Benchmark Publications, Inc.

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