Rocket: Delta 4
Payload: NROL-25
Date: April 2, 2012
Time: 4:04 p.m. local (7:04 p.m. EDT)
Site: SLC-6, Vandenberg AFB, Calif.
Feed: AMC 1, C-band, Transp. 18, 103° West

Story: Preview

Story: Retrograde

Story: Delta 4 facts

Story: SLC-6 history

Pix: Payload mate

Pix: Prelaunch

Pix: SLC 6 pad

Our Delta archive

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We will have live streaming coverage of the launch.

Mission Status Center

By Justin Ray

Welcome to Spaceflight Now's live coverage of the Delta 4 rocket launching a classified payload for the National Reconnaissance Office. Text updates will appear automatically; there is no need to reload the page. Follow us on Twitter.

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