NASA, Artemis and Helium
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The helium system on the SLS upper stage —officially known as the Interim Cryogenic Propulsion Stage (ICPS)—performed well during both of the Artemis II countdown rehearsals. “ Last evening, the team was unable to get helium flow through the vehicle. This occurred during a routine operation to repressurize the system,” Isaacman wrote.
The Artemis II mission aims to send four astronauts — Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut Jeremy Hansen — on a flight around the far side of the moon and back.
Starlust on MSN
Artemis II second wet dress rehearsal: NASA overcomes SLS hydrogen leak that stalled first rehearsal
Excess hydrogen concentration in a tail service mast umbilical interface had brought the countdown to an end during the first test.
Regtechtimes on MSN
Artemis II hits major milestone as NASA conducts full SLS fueling rehearsal
NASA is moving forward with preparations for the Artemis II mission, and the agency will soon provide live coverage of a major milestone. On Thursday, Feb. 19, NASA will broadcast its next wet dress rehearsal for the powerful Space Launch System rocket,