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Delta IV Heavy scrubs again, ULA chief vows to change readiness operations – Ars Technica

“The reduced Delta launch tempo is certainly a factor.”

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  • The Mobile Service Tower rolls back from the United Launch Alliance Delta IV Heavy rocket carrying the NROL-44 mission on Wednesday, September 30.
  • The Delta IV Heavy rocket is seen on the launch pad Wednesday night during the webcast at 1 minute, 33 seconds before planned liftoff.
  • The rocket, shown with a flare stack.
  • Starting to get hot at the business end of the rocket at T-10 seconds.
  • At T-7 s…

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