Update: (9:45 pm EDT, Wednesday, June 7) The United Launch Alliance successfully completed a six-second test of the Vulcan rocket motor at 9:05 pm EDT at Cape Canaveral Space Force Station.

Update: (8:30 pm EDT, Wed, June 7) The window for the ULA’s Vulcan rocket “readiness-to-fly launch” can stretch for hours. This is a developing story.

The United Launch Alliance completed a first six-second test fire of the twin BE-4 engines of its new Vulcan Centaur rocket on its launch pad at Cape Canaveral Space Force Station at 9:05 p.m. EDT, Wednesday evening, 7 June.

What we know about the Vulcan Centaur’s test fire:

United Launch Alliance teams are working on an early test of the company’s next-generation Vulcan Centaur rocket engine, known as a “readiness-to-flight fire.”

#Heres #launching #practice

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