Delta IV Heavy - 23 Storey (235 Feet ) - World's Tallest U.S Rocket Launched

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Delta IV  Heavy - 23 Storey (235 Feet ) - World's  Tallest  U.S  Rocket Launched:

The largest ever rocket to be launched from U.S West coast, the Delta IV Heavy, took off from Vandenberg Air Force Base in California, carrying a national security payload for National Reconnaissance Office (NRO).Delta IV Heavy is 235 feet tall which is about 23 stories tall and is supposed to have produced 2 million pounds of thrust. The launch involved three years of preparation and $100 million in ramp infrastructure upgrade to support the launch.

The launch took place on Jan 20 at 1:10 p.m PST.

The Delta IV Heavy's features a central common booster with additional two strap-on boosters, each fitted with Whitney Rocketdyne-built RS-68 engine with each engine producing 660,000 pounds of thrust. This flight was the fifth for the vehicle in its five year history.