Vulcan is central to ULA’s effort to replace its Atlas 5 rocket and compete more directly for national security launches. With Vulcan missions on hold, the Space Force is now reliant solely on SpaceX ...

A halt has been ordered on the use of ULA's Vulcan rocket until the "anomaly is solved," a top official said on Wednesday.

The Space Force has suspended launches of the United Launch Alliance's (ULA) Vulcan Centaur rocket under the National Security Space Launch ...

A United Launch Alliance (ULA) Vulcan rocket carrying the USSF-87 mission for the United States Space Force’s Space Systems ...

Liftoff of the USSF-87 mission occurred at 4:22 a.m. ET on Thursday (Feb. 12).

ULA’s Vulcan launches Space Force mission; solid booster anomaly under investigation ULA’s Vulcan launches U.S. Space Force mission to geosynchronous orbit ...

ULA’s Vulcan rocket lifted off at 4:22 a.m. ET from Space Launch Complex-41 from Cape Canaveral Space Force Station.

United Launch Alliance flew its Vulcan rocket for only the fourth time early Thursday, but suffered yet another fiery burn ...

Live updates from the early Feb. 12 ULA Vulcan liftoff from Launch Complex 41 in Cape Canaveral Space Force Station on the ...

The USSF-87 mission marked the Vulcan rocket’s second launch under the National Security Space Launch, or NSSL, program.

The Space Force launched the USSF-87 mission from Cape Canaveral Space Force Station, Fla., early Thursday morning aboard a ...