Rocket compensated, as designed ... Instead, ULA put a dummy payload atop the Vulcan, a so-called "mass simulator," added a few technology demonstration experiments to help enable long-duration ...

Facing pressure by Vulcan’s packed schedule, ULA decided to launch its rocket with a mass simulator and other instruments, making data gathering the sole purpose of the Cert-2 mission.

Facing pressure by Vulcan’s packed schedule, ULA decided to launch its rocket with a mass simulator (a dummy payload) and other instruments, making data gathering the sole purpose of the Cert-2 ...

The rocket performed extremely well ... so the mission will fly an inert "mass simulator," along with some extra instrumentation that will allow ULA to assess Vulcan Centaur's performance in ...

SpaceX on Sunday successfully “caught” its “Super Heavy” booster on its first attempt during a flight test, a first for the company and its most powerful spacecraft. Starship lifted off ...

The final Delta IV Heavy rocket flew earlier this year ... payloads atop the Centaur upper stage that will act as a mass simulator housed in the nearly 18-foot diameter fairing.

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United Launch Alliance fired off a next-generation Vulcan rocket Friday in the second of two "certification" test flights needed before the new launcher can be used to carry high-priority national ...

United Launch Alliance's Vulcan rocket, under contract for dozens of flights for the US military and Amazon's Kuiper broadband network, lifted off from Florida on its second test flight Friday ...

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The New York Rangers emerged as Stanley Cup champions, defeating the Edmonton Oilers in seven games as the Oilers fall ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. United Launch Alliance (ULA) is set to launch the second test flight of its Vulcan Centaur ...