Delta IV rocket launch delayed from Vandenberg on Friday

Rodiano Bonacci
Dicembre 9, 2018

Since the Delta IV Heavy will carry a top-secret payload to space for the National Reconnaissance Office, the actual launch window remains top secret but likely spans less than an hour.

"The team is now reviewing all data and will determine the path forward", ULA representatives said. The forecast shows a 60 percent chance of favorable weather conditions for launch.

The launch is scheduled for 12/7 at 8:19 p.m. PDT.

Seven seconds before blastoff at 8:15 p.m. Saturday, a problem detected by the "terminal countdown sequencer rack" prompted a team member to call for a hold, aborting the planned launch.

ULA is working in conjunction with the Air Force's 30th Space Wing on the launch, dubbed NROL-71.

The 4th Space Launch Squadron executes integrated launch operations with a focus on mission assurance for this spacelift mission.

"Every mission is unique and this Delta IV Heavy launch is a prime example of teamwork with a laser focus on mission success", said Lt. Col. Kenneth Decker, 4th SLS commander and Air Force Launch Director for the mission.

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