After overnight data showed an interruption in helium flow in the SLS interim cryogenic propulsion stage, teams are troubleshooting and preparing for a likely rollback of Artemis II to the VAB at @NASAKennedy. This will almost assuredly impact the March launch window. @NASA will…
— NASA Administrator Jared Isaacman (@NASAAdmin) February 21, 2026
Looks like April now (at best). Also looks like Starship 3 before Artemis II.
[Update a few minutes later]
— Petr Kraus (@PetrKraus42) February 21, 2026
[Afternoon update]
Sorry, second X post fixed now.