Once again, ULA delays launch of its rocket carrying classified spy satellite

Update October 1st, 7AM ET: Yet again, ULA stopped the launch mere seconds before takeoff, after a sensor reported a faulty reading. The main combustion chambers in the engines did not ignite, and CEO Tory Bruno says the rocket and the payload are “safe and unharmed.”

Original story: After many weeks of delays due to faulty equipment and bad weather, the United Launch Alliance is set to launch its most powerful rocket from Cape Canaveral, Florida, lofting a classified spy satellite for the National Reconnaissance Office. The mission is finally ready to fly a full month after the rocket’s first launch attempt, which was aborted just three seconds before liftoff.

The rocket going up on ULA’s mission is the Delta IV Heavy, a giant vehicle...

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