Orion’s trajectory is so close to preflight predictions that NASA has canceled some of the mission’s course correction burns. The midcourse burns that have occurred were all low-impulse maneuvers using the service module’s smaller jets, which don’t require the helium system to recharge pressure.

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The Artemis II crew prepared for their return home and NASA inspected the exterior of the Orion spacecraft, which is scheduled to land in the Pacific Ocean off the coast of Southern California on Friday.

There were “ audible screams of delight ” at Mission Control in Houston, as mission science lead Kelsey Young recalled during a Tuesday press conference. “There was a little giddiness,” NASA astronaut and commander Reid Wiseman told Houston during the observation period.