As SpaceX and NASA gear up for the Crew-12 launch from Cape Canaveral in Florida early on Friday morning, its colleagues at United Launch Alliance (ULA) are just hours away from sending the Vulcan ...

It was the second such issue for the Vulcan Centaur, which has flown four times to date. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

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