Liftoff For NASA's Ares I-X

Ares Test 1

From Popular Science:

Ares I-X roared off its launch pad at 11:30 EST at Cape Canaveral. This marks success for NASA's second launch attempt to get the Ares I-X rocket off the ground after weather delayed the launch on Tuesday.

Update 9:58 EST: NASA now aims for launch around 11 EST. Surveillance aircraft report that weather should be "acceptable" at that time, and NASA pegs the chance of weather interference at just 20 percent.

Update 10:43 EST: Engineering teams are all reporting a "go" for launch, and the launch director reports no constraints to launch. Countdown is set to pick up at 10:56 EST.

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