ULA Delays Vulcan Rocket Engine Hot Fire

Credit: ULA
United Launch Alliance (ULA) canceled the planned May 25 static hot fire of its first Vulcan-Centaur rocket to review an issue with the booster engine ignition system, the company said. “During the countdown, the team observed a delayed response from the booster engine ignition system that needs...
Irene Klotz

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic spaceflight, commercial space, astronomy, science and technology for Reuters and United Press International.

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