ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

United Launch Alliance's Vulcan Centaur lifted off for the third time ever in an experimental launch to put navigation ...

United Launch Alliance lofted an experimental navigation satellite on the first national security mission of its new Vulcan ...

ULA's Vulcan Centaur launches first national security mission Vulcan Centaur launches first national security mission ...

United Launch Alliance (ULA) is gearing up for a long-awaited comeback, returning to secretive payload lifts for the National ...

A United Launch Alliance Vulcan rocket is gearing up to carry a classified national security payload into space Tuesday night ...

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The United Launch Alliance is launching its powerful Vulcan rocket on its first national security mission for the U.S. Space ...

Live updates from Tuesday night’s ULA USSF-106 mission that launched a Vulcan rocket from Cape Canaveral Space Force Station ...

United Launch Alliance knocked out its first Vulcan Centaur launch of the year Tuesday night, and its first ever for the ...