NASA loaded cryogenic propellant into the Space Launch System rocket and Orion spacecraft for a second time on February 19, 2026, at Kennedy Space Center’s Launch Complex 39B, pushing the countdown to T-33 seconds in a test that will determine when four astronauts fly around the Moon.

NASA will attempt to fuel its Artemis II rocket again tomorrow after hydrogen leaks derailed the first wet dress rehearsal and delayed what is scheduled to be a historic crewed flight around the moon.