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Rocket: Delta 4
Payload: WGS 4
Date: Jan. 19, 2012
Window: 7:38 to 9:11 p.m. EST
Site: SLC-37B, Cape Canaveral, Florida
Feed: SES 2, Transp. 21, C-band, 87° West

Launch timeline

Ground track map

Delta 4 rocket

Rocket rollout

WGS 4 arrives

Payload to pad

Our Delta archive

Mission Status Center

By Justin Ray

Welcome to Spaceflight Now's live coverage of the Delta 4 rocket launching the WGS 4 military communications satellite. Text updates will appear automatically; there is no need to reload the page. Follow us on Twitter.

Expedition 29 Patch