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Delta IV Heavy Launches NROL-71 Mission

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Launch of the United Launch Alliance (ULA) Delta IV Heavy rocket on Saturday, 19 January 2019, from Space Launch Complex (SLC)-6 at Vandenberg Air Force Base, Calif., at 11:10 a.m. PST to deliver the classified NROL-71 payload to orbit for the National Reconnaissance Office.
As ULA plans to retire the remainder of its Delta IV Medium fleet in 2019, the Heavy will stand alone as the sole member of the Delta family in operational service, flying about once annually into the 2020s.
Video Credit: ULA
As ULA plans to retire the remainder of its Delta IV Medium fleet in 2019, the Heavy will stand alone as the sole member of the Delta family in operational service, flying about once annually into the 2020s.
Video Credit: ULA