Tory Bruno provided an update on the investigation into the Vulcan mishap and discussed when to expect next ULA launch.

Anduril Industries will develop and qualify a 4.75-inch solid rocket motor for long-range precision rocket artillery.

When a rocket motor using solid propellant is lit it continues to burn until all of the fuel is consumed. That is not the case with this design ... There is a nozzle on the outflow end.

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 ...

Demand for solid rocket motors is booming in part because missile makers are aggressively ramping up output of all sorts of ...

ULA CEO Tory Bruno emphasized that Vulcan's design caters to specific ... a manufacturing defect on a part in the engine nozzle of the solid rocket motor — and are taking corrective actions ...