March 24, 2017

Video: Liftoff of Delta 4 rocket and WGS 9 satellite

The United Launch Alliance Delta 4 rocket, standing 217 feet tall and weighing 900,000 pounds, unleashes 1.8 million pounds of thrust from its main engine and four side-mounted boosters at 8:18 p.m. EDT (0018 GMT) today to launch the ninth Wideband Global SATCOM satellite for U.S. military and allied communications.

See earlier Delta 377 coverage.

Our Delta archive.

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