Credit: ULA WASHINGTON — The loss of a solid rocket motor nozzle on the second flight of United Launch Alliance’s Vulcan Centaur last October was caused by a manufacturing defect that has been ...

United Launch Alliance (ULA) completed the second successful launch of its Vulcan rocket Friday morning, a key step in the future use of the rocket for national security missions. The 202-foot ...

The next launch of a United Launch Alliance rocket could come as soon mid-year, but that depends on two things — Amazon Kuiper satellites being ready and the the Vulcan mishap being fully ...

The Alpha rocket will launch Lockheed Martin’s LM 400 spacecraft from Vandenberg Space Force Base, with the 52-minute launch window opening at 6:25 am PT (14:25 UTC). Lockheed is self-funding the ...

During the mission, right after launch a nozzle sheared off one of two solid rocket boosters provided by Northrop Grumman. Vulcan’s main BE-4 engines, built by Blue Origin, were powerful enough ...