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Aviation Week
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Aviation Week
120 data points on over 156,000 commercial and business aviation aircraft, including military transports. Discover the most trustworthy resource for the complete aircraft history, plus ad hoc reports, month-over-month trend analysis and details on expected deliveries through 2050.
Description
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...