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Delayed Delta IV Heavy Launch Rescheduled for Sept. 26

18 Sep 2020, 17:13 UTC
Delayed Delta IV Heavy Launch Rescheduled for Sept. 26
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The United Launch Alliance Delta IV Heavy rocket launches NASA’s Parker Solar Probe to touch the Sun, Sunday, Aug. 12, 2018, from Launch Complex 37 at Cape Canaveral Air Force Station, Florida. (Credits: NASA/Bill Ingalls)

CAPE CANAVERAL AIR FORCE STATION, Fla. (ULA PR) – The launch of a United Launch Alliance (ULA) Delta IV Heavy rocket carrying the NROL-44 mission for the National Reconnaissance Office is planned for Sept. 26, 2020. The launch period is 12:01-1:35 a.m. EDT.

The team has reviewed all data and ground support equipment and determined that a ground system regulator internal component failure was the cause of the on-pad abort.

Out of an abundance of caution all three regulators associated with each of the three common booster cores are being replaced and retested.

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