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Delta IV Heavy Rocket launch scrubbed for fourth time

Posted at 5:41 PM, Dec 19, 2018

A Delta IV Heavy rocket launch was scrubbed for the fourth time out of Vandenberg Air Force Base Wednesday.

The rocket was supposed to launch at 5:49 p.m., but a hydrogen leak was reported within one of the engines about 10 minutes before the scheduled launch.

United Launch Alliance says it will attempt the launch again in 24 hours. The launch window opens Thursday at 5:31 p.m.

This was the fourth attempt at launching the rocket.

The launch was scrubbed Tuesday evening because of high ground winds. It was delayed twice before, on December 7 and 8, due to technical issues.

The rocket will deliver a satellite for the National Reconnaissance Office into orbit.