Live coverage: Delta 4 launches from California with spy satellite

Live coverage of the countdown and launch of a Delta 4 rocket with the NROL-47 payload for the National Reconnaissance Office. Text updates will appear automatically below. Follow us on Twitter.

ULA’s live broadcast of the Delta 4 launch begins at 12:40 p.m. PST (3:40 p.m. EST; 2040 GMT).