United Launch Alliance’s Atlas 5 551 rocket sits on the pad at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station. The launch attempt on Nov. 6, 2025, was scrubbed due to a persistent issue with the booster’s liquid oxygen tank vent valve. Image: Adam Bernstein / Spaceflight Now
Update Nov. 6, 9:10 p.m. EST (0210 UTC): ULA scrubbed the launch and will target a new, yet to be announced, launch date.

