Live coverage: Atlas 5 countdown and launch journal

Live coverage of the United Launch Alliance Atlas 5 rocket flight to deploy the NROL-79 payload for the National Reconnaissance Office. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.

(Launch webcast begins at 9:30 a.m. local / 12:30 p.m. EST / 1730 GMT)

Entries below listed as EST (subtract 3 hours for local time; add 5 hours for GMT)