ULA Conducts Second Vulcan Practice Countdown

United Launch Alliance Vulcan-Centaur
Credit: United Launch Alliance
United Launch Alliance (ULA) conducted a practice launch countdown, including fueling, of its new Vulcan-Centaur rocket on Dec. 12, four days after the first so-called wet dress rehearsal (WDR) revealed problems with ground support equipment. During the Dec. 8 WDR, some of the fittings did not seal...
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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