NASA Begins Artemis II Launch Pad Operations Following Successful Fuel Test

Photo Credit: NASA/Ben Smegelsky

Kennedy Space Center, FL., (February 20th, 2026) - NASA has taken another major step toward its first crewed lunar mission in more than five decades, beginning launch pad operations for Artemis II after completing a successful wet dress rehearsal fueling test at Kennedy Space Center.

During the recent test, teams fully fueled the Space Launch System (SLS) rocket with more than 700,000 gallons of supercooled liquid hydrogen and liquid oxygen while conducting a full countdown simulation. The milestone demonstrated improvements made following earlier hydrogen leak issues that delayed previous testing attempts.

Engineers also carried out critical launch day procedures, including sending a closeout crew to the pad, closing the Orion spacecraft hatches, and running multiple terminal countdown sequences to validate the final minutes before liftoff. Members of the Artemis II crew observed portions of the rehearsal from the Launch Control Center, gaining additional familiarity with operations ahead of their historic mission.

The successful test comes after NASA replaced seals and hardware connected to the rocket’s hydrogen fueling system. Previous attempts were halted when leak rates exceeded safety limits. This time, teams confirmed the upgraded systems remained within allowable safety thresholds throughout fueling and countdown operations, marking a key readiness milestone for the program.

With the rehearsal complete, NASA has transitioned to launch pad processing activities. These operations include inspections, data reviews, and preparations required to move toward flight readiness. The results from this test will play a major role in determining when the Artemis II mission can officially move forward.

Artemis II will carry four astronauts — NASA’s Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen — on a roughly 10-day journey around the Moon and back. The mission will test Orion’s life support systems and deep-space capabilities ahead of Artemis III, which aims to return humans to the lunar surface later this decade.

At this time, NASA has not announced a confirmed launch date. While early March has been discussed as a potential target window, agency officials say they will continue reviewing test data before setting an official schedule. The mission’s timeline remains dependent on vehicle readiness and overall safety assessments.

For now, the successful fueling test and transition into launch pad operations represent one of the most significant milestones yet for Artemis II, bringing NASA closer to sending astronauts beyond low Earth orbit for the first time since the Apollo era.