NASA’s Artemis II Launch Postponed to THIS Month: Here’s Why

NASA’s Artemis II mission to the moon has been postponed. Now it will not launch until March this year, according to the reports. It is no longer possible to launch in February. The postponement occurs after the first Wet Dress Rehearsal (WDR) is finished.

The purpose of this prelaunch test is to identify issues on the ground. For astronauts, it makes missions safer and more productive. The teams will thoroughly examine the data from the trial, address each problem and resume testing in advance of establishing an official target launch date, with March serving as the possible launch window, according to the media reports.

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After experiencing technical difficulties during a crucial wet dress rehearsal (WDR) of its Space Launch System (SLS) rocket, NASA has postponed the launch of the Artemis II mission from February to March, according to Administrator Jared Isaacman. “Now that the wet dress rehearsal has come to an end, we are moving off the February launch window and targeting March for the earliest possible launch of Artemis II,” he wrote on X.

With the conclusion of the wet dress rehearsal today, we are moving off the February launch window and targeting March for the earliest possible launch of Artemis II. With more than three years between SLS launches, we fully anticipated encountering challenges. That is precisely… — NASA Administrator Jared Isaacman (@NASAAdmin) February 3, 2026

At the SLS core interface, engineers discovered a leak of liquid hydrogen. To reseat seals and heat equipment, several pauses were necessary. Additionally, the flow of propellant was changed for safety reasons. Every tank in the cryogenic and SLS core stages was filled. The countdown in the terminal stopped automatically when it reached T-5 minutes and 15 seconds. As the rate of hydrogen leakage rose, the system shut down.