Rocket: Atlas 5
Variant: AV-401
Cargo: SBIRS GEO 2
Date: March 19, 2013
Window: 5:21-6:01 p.m. EDT (2121-2201 GMT)
Site: SLC-41, Cape Canaveral, Florida
Feed: SES 2, Transp. 21, C-band, 87° West

Our preview story

Launch timeline

Ground track map

GEO fact sheet

SBIRS brochure

Atlas 5 illustration

Pix: Payload preps

Story: Atlas stacking

Story: SBIRS mate

Our Atlas archive

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Mission Status Center

By Justin Ray

Welcome to Spaceflight Now's live coverage of the Atlas 5 rocket launching the Air Force's SBIRS GEO 2 infrared surveillance spacecraft. Text updates will appear automatically; there is no need to reload the page. Follow us on Twitter.