Event Brief
ULA's Vulcan Launch Vehicle Grounded After Anomaly
Filed: Mar 20, 2026 at 7:00 PM ET
Summary: ULA's Vulcan launch vehicle is unable to deliver a satellite due to a solid rocket booster anomaly.
WHO: ULA
WHAT: Vulcan launch vehicle grounded
WHEN: Mar 20, 2026 at 5:35 PM ET
WHERE: USA
WHY: A solid rocket booster anomaly occurred last month.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
Know more. Read less.
The BriefBrief follows the story, so you don't have to read every article. See what happened, how it changed, and where it came from, all in one place.
Same format. Every time.
See how stories unfold →