Classified US spy satellite launched from California

September 24, 2017

A spy satellite for the U.S. National Reconnaissance Office has been launched from Vandenberg Air Force Base in California.

A United Launch Alliance Atlas 5 rocket carrying the classified NROL-42 satellite lifted off at 10:49 p.m. PDT Saturday. All systems were going well when the launch webcast concluded about three minutes into the flight.

The launch was expected to be visible across a wide area of California, weather permitting.

National Reconnaissance Office satellites gather intelligence information for U.S. national security and an array of other purposes including assessing impacts of .

U.S. officials have not revealed what the spacecraft will be doing or what its orbit will be.

United Launch Alliance is a joint venture of Lockheed Martin and Boeing.

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