The U.S. Space Force is putting an indefinite halt on all national security missions aboard United Launch Alliance's Vulcan Centaur, following a repeat anomaly with the rocket's side boosters.

US Space Force pauses national security launches on ULA Vulcan rocket due to booster glitch

Source: space
Source Link: https://www.space.com/space-exploration/launches-spacecraft/us-space-force-pauses-national-security-launches-on-ula-vulcan-rocket-due-to-booster-glitch