Vulcan Upper Stage Needs Mods Before Flight, ULA Says

Credit: United Launch Alliance
United Launch Alliance (ULA) plans to modify the Centaur V upper stage of its new Vulcan rocket, likely delaying the booster’s debut flight to late this year at the earliest. The decision, announced June 24, follows analysis of a Centaur V structural test article that failed qualification testing on...
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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