NASA Completes Wet Dress Rehearsal for SLS Moon Rocket, Sets Stage for March Launch

• February 20, 2026

NASA Completes Critical Wet Dress Rehearsal for Artemis Moon Rocket

In a significant milestone, NASA has successfully finished a demanding two-day wet dress rehearsal for its Space Launch System (SLS), the rocket intended to return humans to the Moon after more than five decades. The exercise involved loading propellants and testing critical systems with the Orion spacecraft aboard, simulating the countdown and launch sequence without actually liftoff.

This rehearsal represents the final major test before the highly anticipated Artemis mission, which aims to send astronauts back to lunar soil. NASA officials have expressed confidence in the rocket and spacecraft’s readiness following the extensive validation of fueling operations, engine ignition procedures, and ground support activities conducted during the test.

The successful completion of the wet dress rehearsal moves NASA closer to its planned launch window in the first half of March. In preparation for the mission, the crew is set to undergo a two-week quarantine period to ensure optimal health and safety before boarding the spacecraft. This precautionary measure is scheduled to commence late at night in Moscow time, highlighting the global coordination involved in the mission.

The SLS stands as one of the most powerful rockets ever built, designed to enable deep space exploration and establish a sustainable human presence on the Moon. The Artemis program is a cornerstone of NASA’s long-term objectives to pave the way for future missions to Mars and beyond.

Following the wet dress rehearsal, NASA’s focus will shift to final preparations and system verifications ahead of the launch. Success in these steps will mark a historic moment for space exploration, signaling the United States’ renewed capabilities to undertake crewed lunar missions after a pause of more than 50 years.

As the countdown to this landmark mission continues, the space community and the public alike eagerly await the demonstration of new technologies and human spaceflight achievements in the coming weeks.

NASA successfully concluded a two-day wet dress rehearsal for the SLS rocket, preparing for a lunar mission expected in early March.