Delta IV Rocket Launch at Vandenberg Air Force Base called off Thursday

Watch a Delta IV rocket launch a secret satellite to space

Watch ULA Kick Off 2018 With a Spy Satellite Launch

While it's no longer a secret, it does still use its systems to collect information and "Play a crucial role in providing global communications, precision navigation, early warning of missile launches and potential military aggression, signals intelligence, and near real-time imagery to US forces to support the war on terrorism and other continuing operations", according to the NRO site.

The United Launch Alliance scheduled to launch a rocket from Vandenberg Air Force Base in California.

NROL-47 will be operated by the National Reconnaissance Office (NRO), which builds and manages the United States' spy satellites.

The NRO is the U.S, Government agency in charge of designing, building, launching and maintaining America's fleet of intelligence satellites.

Karnataka CM: BJP, RSS are 'Hindu extremists'
Kumar condemned the chief minister's remarks, terming it as an attack on the country's biggest political party. Hitting out at Shah, Vadakkan said it was "strange" that Shah called the state government as "anti-Hindu".

Last month, a SpaceX rocket launch from Vandenburg during the sunset created a shimmering streak across the sky. The rocket's second stage is propelled by an RL-10 engine. "This will be the first of two launches scheduled for NRO in 2018". The main engine of the Delta IV is theRS-68A, manufactured by Aerojet Rocketdyne.

Thursday morning's weather report from the 30th Space Wing showed an 80 percent chance of favorable conditions, a considerable improvement over the previous day's 40 percent.

With more than a century of combined heritage, United Launch Alliance is the nation's most experienced and reliable launch service provider. Beginning in 2019, Orbital ATK will provide upgraded GEM 60 solid rocket boosters, designated GEM 63 and GEM 63XL, for ULA's Atlas V and new Vulcan launch vehicles, respectively. ULA constructed the Delta IV Medium+ (5,2) launch vehicle in Decatur, Ala. Jim began blogging about science, science fiction and futurism in 2004.

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