The Terminal Countdown begins now for today's flight of the United Launch Alliance Delta 4 rocket with the NROL-27 mission for the National Reconnaissance Office.
The countdown has one planned built-in hold at T-minus 5 minutes lasting some 15 minutes, leading to liftoff at 5:57 p.m. EST (2257 GMT).
The launch pad has been verified clear of all personnel and systems now stand ready for fueling activities. The multi-step process of loading all four cryogenic propellant tanks in the two-stage rocket is scheduled to begin in the next half hour and continue into the mid-afternoon.
No issues and the weather is great..
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