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ULA Delta IV-Heavy launch with NROL-71 scrubbed


ULA Delta IV-Heavy launch with NROL-71 scrubbed United Launch Alliance’s Delta IV Heavy rocket will try again on Saturday to launch the mysterious NROL-71 mission for the National Reconnaissance Office. Ahead of Friday’s launch window – that was to open at 20:19 Pacific Time (04:19 UTC on Saturday) – ULA noted an issue with the holdfire circuitry required further work, scrubbing the launch attemot. The launch – after a 24 hour recycle – will take place from Space Launch Complex 6 at California’s Vandenberg Air Force Base. Like most activities conducted by the United States National Reconnaissance Office (NRO), specifics of the NRO Launch 71 (NROL-71) mission are classified. The NRO is the organization that operates America’s fleet of reconnaissance and intelligence-gathering satellites, using a variety of spacecraft types and surveillance techniques to support national defense and security.   More



(Source: NASASpaceFlight.com - Dec 8)

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