Jan. 16: Artemis I Hot Fire Test

NASA is targeting the final test in the Green Run series, the hot fire, for Sat., . The hot fire is the culmination of the Green Run test series, an eight-part test campaign that gradually brings the core stage of the Space Launch System (SLS) — the deep space rocket that will power the Artemis program’s human missions to the Moon — to life for the first time. All four of the stage’s RS-25 engines will be fired simultaneously for up to eight minutes to simulate the core stage’s performance during laun