The Vulcan rocket leapt off its pad at 4:22 a.m. EST, lighting up the Florida coast before a problem inside one of its ...

Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...

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

A United Launch Alliance Vulcan rocket carrying classified Space Force payloads suffered a booster problem but apparently ...

A Vulcan Centaur rocket successfully launched two U.S. spy satellites on Feb. 12 despite suffering an anomaly with one of its solid rocket boosters, echoing the result of an October 2024 mission.

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, ...

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

United Launch Alliance plans to fly its Vulcan rocket for the 4th time early Feb. 12. Here's what to know about the rocket, ...

The forecast from the Space Force's Space Launch Delta 45 weather squadron and Launch Weather Officer Rachel Shane for Thursday's launch of Vulcan indicates a 95 percent chance of acceptable ...

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).