Rocket: Atlas 5
Variant: AV-531
Payload: AEHF 3
Date: Sept. 18, 2013
Window: 3:04-5:04 a.m. EDT (0704-0904 GMT)
Site: SLC-41, Cape Canaveral, Florida

Photos: Atlas 5 rollout

Photos: AEHF encapsulation

Story: Launch preview

Story: Atlas stacking

Launch timeline

Ground track map

USAF satellite fact sheet

Lockheed Martin brochure

Atlas 5 illustration

Our Atlas archive

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Mission Status Center

By Stephen Clark and Justin Ray

Welcome to Spaceflight Now's live coverage of the Atlas 5 rocket launching the AEHF 3 communications spacecraft. Text updates will appear automatically; there is no need to reload the page. Follow us on Twitter.