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Countdown hold
The first launch attempt is halted when an alarm is sounded less than a minute before liftoff. (58sec file)

A short video clip showing the liftoff and initial seconds of flight for the Delta 2 rocket and GPS 2R-11 satellite. (1min 26sec file)

Extended launch
The Boeing Delta 2 rocket launches the Global Positioning System 2R-11 military navigation satellite from Cape Canaveral, Florida. (3min 01sec file)

Spacecraft separation
Successful deployment of the GPS 2R-11 spacecraft is annoucned about 68 minutes after liftoff. (46sec file)

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The Mission

Rocket: Delta 2 (7925)
Payload: GPS 2R-11
Date: March 20, 2004
Window: 12:39-12:53 p.m. EST (1739-1753 GMT)
Site: SLC-17B, Cape Canaveral, Florida
Satellite feed: AMC 9, Transponder 6, C-band

Mission preview story

Launch events timeline

Ground track map time

Launch hazard area

Mission Status

Check the status center for complete coverage.

The Payload

The Global Positioning System 2R-11 satellite, built by Lockheed martin, will replace an older craft in the U.S. military's navigation network.

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The Launcher

Boeing's workhorse Delta 2 rocket has flown more than 100 times, launching military, scientific and commercial satellites.

Delta 2 fact sheet

The pre-launch process

Archived Delta coverage

The Venue

Cape Canaveral's Launch Complex 17 is the East Coast home of Delta 2.

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Follow the countdown and launch of the Boeing Delta 2 rocket with the U.S. Air Force's GPS 2R-11 navigation spacecraft. Reload this page for the very latest on the mission.