Titan 4 Lofts Milstar: Defense Orbital Switchboard Now Complete

SPACEWAR

Milstar II

Cape Canaveral - Jan 16, 2002
A U.S. Air Force military communications satellite was launched Tuesday evening at 7.30pm Eastern (0030 GMT) from Cape Canaveral aboard a Titan 4. Final confirmation of a safe delivery of the $800 million Milstar 5 to GEO came early Wednesday morning after several burns by the Centaur upper stage.

The satellite and launch vehicle were built by Lockheed Martin Space Systems Company at its operations in Sunnyvale, Calif. and Denver, Colo. respectively.

The satellite, designated Milstar II, is the US Defense Department's most technologically advanced telecommunications satellite, and is the second to carry the Medium Data Rate (MDR) payload which can process data at speeds of 1.5 megabits per second.

The Air Force transitioned to the Block II configuration with last year's successful launch of the first Milstar II satellite. The Milstar block II system offers a variety of enhanced communications features for the U.S. military, including added security through the use of specially designed antennas and faster data-rate transmissions for all users.

Milstar I satellites currently on-orbit are equipped with a UHF and Low Data Rate payload, which transmits information at rates between 75 and 2,400 bits per second. Lockheed Martin is under contract to provide one more Milstar II spacecraft, which is scheduled to launch later this year.

Milstar's "switchboard-in-space" concept allows communications links to be established rapidly and is a revolutionary departure from current communications systems.

The spacecraft constellation provides protected, global communication links for the joint forces of the U.S. military and can transmit voice, data, and imagery, in addition to offering video teleconferencing capabilities.

This Milstar launch will increase the Milstar constellation's capability to provide near-global coverage for the nation's strategic forces, Air Force's space warning assets and operationally deployed military forces.

Milstar is used for communications among ships, submarines and land-based Naval stations via Navy Extremely High Frequency Satellite Communications Program terminals.

The system provides communications networks to Army units via the Secure Mobile Anti-Jam Reliable Tactical Terminals mounted on vehicles, and to individual troops and small units from the Single Channel Anti-Jam Man-Portable terminals. For the Air Force, the Milstar system provides links for Air Force Command Post Terminals.

The Milstar team is led by the MILSATCOM Joint Program Office at the U.S. Air Force Space and Missile Systems Center, Los Angeles Air Force Base, Calif. Lockheed Martin Space Systems, Sunnyvale Operations, is the prime contractor and lead systems integrator.

Boeing Satellite Systems (BSS) provides the Medium Data Rate payload and crosslink subsystem, and TRW Space & Electronics provides the Low Data Rate payload.

SPACEWAR

Lockheed Martin, TRW Win $2.7 Billion Milsat Deal

Sunnyvale - Nov. 19, 2001
The U.S. Air Force has awarded Lockheed Martin Space Systems and TRW Space & Electronics a contract for up to $2.698 billion to begin the System Development and Demonstration (SDD) phase of Advanced Extremely High Frequency (Advanced EHF) Program.

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