NASA will target Saturday, September 3 at 2:17 p.m. EDT (11:17 a.m. PDT), the beginning of a two-hour window, for the launch of Artemis I. It is the first integrated test of NASA’s Orion spacecraft, Space Launch System (SLS) rocket, and the ground systems at the agency’s Kennedy Space Center in Flor
for the flight test. During that launch attempt, engineering teams were not able to chill down the four RS-25 engines to approximately minus 420 degrees F. In particular, engine 3 showed higher temperatures than the other engines. Teams also saw a hydrogen leak on a component of the tail service mast umbilical quick disconnect, called the purge can. They managed the leak by manually adjusting propellant flow rates.
In the coming days, teams will modify and practice propellant loading procedures to follow a procedure similar to what was successfully performed during the Green Run at NASA’s Stennis Space Center in Mississippi.
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