View Full Version : Bringing You There: Intense Sound of Delta IV Heavy Orion EFT-1 Launch

2014-Dec-10, 02:50 PM
Have you ever wondered what 51 million horsepower sounds like from 3 miles away? This past Friday, a Delta IV Heavy launched Orion spacecraft on the EFT-1 Test flight. The rocket weighed 1.6 million pounds at liftoff, produced close to 2 million pounds of thrust and consumed propellants at a rate of about 3 tons […]

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