A ULA Vulcan rocket launched a Space Force mission, but an unexpected light show from its boosters sparked questions. Here's ...

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

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

The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

As a ULA Vulcan bolted into the early Thursday skies over Cape Canaveral, many witnessed a solid rocket booster issue.

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's ...

The rocket delivered a classified military payload to orbit, but there appeared to be a problem on the flight.

The booster anomaly resulted in months of delays before the Space Force finally gave ULA the green light to begin launching its missions. Vulcan launched its first military payload in August 2025, ...

United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security mission Thursday.

On its second mission in October 2024, a side-mounted booster used to provide extra thrust experienced a small explosion ...

ULA plans a Vulcan rocket launch from Cape Canaveral during the early hours of Thursday. Here's what to know before liftoff.