NASA engineers are analyzing data from a recent confidence test of the SLS rocket, where they encountered an issue with ground support equipment that reduced liquid hydrogen flow. The test aimed to assess new seals and gather data at core stage interfaces, with the next wet dress rehearsal planned this month. The earliest potential launch window for Artemis II remains in March.
Following Confidence Test , NASA Continues Artemis II Data Review As part of robustly testing the vehicle prior to flight, NASA engineers are reviewing data after a confidence test Feb. 12, in which operators partially filled the SLS core stage liquid hydrogen tank to assess newly replaced seals in an area used to fill the rocket with propellant.
During the test, teams encountered an issue with ground support equipment that reduced the flow of liquid hydrogen into the rocket. Teams were able to gain confidence in several key objectives of the test, and data was obtained at the core stage interfaces, taken at the same time in the test where they encountered a leak during the previous wet dress rehearsal. Engineers will purge the line over the weekend to ensure proper environmental conditions and inspect the ground support equipment before replacing a filter suspected to be the cause of the reduced flow. Engineers will examine findings before setting a timeline for the next test, a second wet dress rehearsal this month. March remains the earliest potential launch window for Artemis II.February 13, 2026 7:51PMCategoriesArtemisArtemis 2Exploration Ground SystemsKennedy Space CenterOrion Multi-Purpose Crew VehicleSpace Launch System Also Featured InArtemis More from MissionsPrevious PostNASA Conducts Repairs, Analysis Ahead of Next Artemis II Fueling TestFebruary 8, 2026
Artemis II SLS Confidence Test Data Review Rocket
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