Technology & Science
NASA Clears Artemis II for March Window After Leak-Free Fueling Rehearsal
On 19 Feb 2026 engineers fully loaded ~730,000 gal of liquid hydrogen and oxygen into the SLS during a second wet-dress rehearsal without the leaks that aborted the Feb 2 test, allowing managers to proceed toward a targeted 6 March crewed lunar fly-by.
Focusing Facts
- Repaired seals and a clogged filter enabled propellant transfer of 196,000 gal LOX and 537,000 gal LH2 into the core stage plus 22,500 gal into the upper stage during the 50-hour rehearsal.
- NASA will fly the same Avcoat heat-shield formula that shed >100 char sites on Artemis I but will change re-entry to a single-dip, steeper trajectory to shorten high-heating time.
- Crew—Reid Wiseman, Victor Glover, Christina Koch, Jeremy Hansen—enters medical quarantine 20 Feb ahead of a 10-day, no-landing lunar loop; next viable launch windows run 6-9 & 11 March.
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