Live coverage: Delta 4 countdown and launch journal

(Launch webcast begins at 3:19 a.m. local (6:19 a.m. EST; 1119 GMT)

Mission Status Center

Live coverage of the United Launch Alliance Delta 4 rocket carrying the NROL-45 payload for the National Reconnaissance Office. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.