McLean, VA, 09-DEC-03 -- Media Advisory - ILS Atlas To Launch Last In Series Of Navy Satellites

Launch Vehicle: Atlas III
Weight at liftoff: 491,119 lbs (222,768 kg) including payload
Fairing: 14 ft (4.2 m) diameter
Height: 175.7 ft (53.6 m)

Launch Date: Monday, Dec. 15, 2003

Launch Window: 120 minutes
9:38 p.m.-11:38 p.m. EST
02:38-04:38 Dec. 16 GMT

Launch Site: Cape Canaveral Air Force Station, Fla.
Launch Complex 36, Pad B

End User: U.S. Navy

Launch Customer/ Boeing Satellite Systems,
Satellite Manufacturer: El Segundo, Calif.

Launch Vehicle Manufacturer: Atlas vehicle and Centaur upper stage built by Lockheed
Martin Space Systems in Denver, Colo.; San Diego, Calif.; and Harlingen, Texas.

Launch Services
Provider: International Launch Services., McLean, Va.

Satellite Statistics: -- 11th satellite in the UFO series
-- UHF and EHF payloads

Mission Profile: Standard Atlas III ascent profile, with two-burn Centaur mission using guidance commanded shutdown at geosynchronous transfer orbit

Spacecraft Separation: Approximately 32 1/2 minutes after liftoff

Nominal Orbital
Parameters: Apogee Altitude: 19,387 nmi (35,908 km)
(@ Separation) Perigee Altitude: 155 nmi (287 km)
Inclination: 27 deg
Argument of Perigee: 178 deg

ILS Mission Stats: -- 4th flight of Atlas III
-- 5th mission on Atlas this year
-- 6th and final mission for ILS in 2003
-- 25th Atlas launch of a Boeing 601 bus
-- Atlas has perfect record in 67 consecutive flights

Payload: Ultra-High Frequency Follow-On (UFO) F11
Mobile communications and data for all of the
Department of Defense and several government agencies
Separated mass: Approx. 6,705 lbs (3,041 kg)

Pre-launch News Briefing: 10 a.m. Monday, Dec. 15 (Launch Day)
Radisson at the Port
8701 Astronaut Blvd.
Cape Canaveral, Fla.

Remote Camera Set-up: Photographers should meet at Cape Canaveral Air Force
Station Pass & ID at 9 a.m. for escort to pad.

Press Viewing: Accredited press covering the launch should meet at
Pass & I.D. at 8 p.m. Dec. 15 for Air Force badging and escort to Press Site 1

Live Broadcast: Galaxy 3, transponder 5, C-band, 95 degrees West
Downlink: 3800 MHz (horizontal)
Test signals to begin at 9 p.m. EST

More Information: General mission information and live launch webcast are available on the ILS website at www.ilslaunch.com. Launch status is available on the ILS U.S. domestic Launch Hotline at 1-800-852-4980.