ULA aimed to launch up to 10 Vulcan rockets this year-it will fly just once
Vulcan launches face delays driven by solid rocket motor performance concerns and inspections despite available hardware and ongoing launch infrastructure upgrades.
The Pentagon seems to be fed up with ULA's rocket delays
ULA's dominance in military launches is challenged as SpaceX takes over critical missions, prompting ULA to strengthen its capabilities with the Vulcan rocket.
