A categorized satellite tv for pc for the US Nationwide Reconnaissance Workplace launched into orbit aboard a United Launch Alliance Delta 4 Heavy rocket on Saturday.
The NROL-91 spy satellite tv for pc lifted off at 3.25 pm from Vandenberg House Pressure Base in California's Santa Barbara County.
It was the final launch of a Delta 4 from the West Coast.
Extra launches are deliberate from Florida earlier than the Deltas are changed by ULA's next-generation Vulcan Centaur rockets.
The Delta IV Heavy configuration first launched in December 2004.
This was the 387th flight of a Delta rocket since 1960 and the ninety fifth and remaining launch from Vandenberg.
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The Nationwide Reconnaissance Workplace is the federal government company answerable for creating, constructing, launching and sustaining US spy satellites that present intelligence information to policymakers, the intelligence neighborhood and Defence Division.