• NASA’s Artemis II mission is expected to liftoff from Kennedy Space Center in Florida today at 6:24 p.m. ET, carrying four astronauts on a journey around the moon.
• The historic and risky lunar venture will mark the first time astronauts have returned to the vicinity of the moon in more than 50 years.
• The crew, which includes NASA’s Reid Wiseman, Victor Glover, and Christina Koch along with Canadian Space Agency astronaut Jeremy Hansen, could break the distance record set by the Apollo program, traveling farther from Earth than any human ever has.
• This launch attempt, the mission’s first, comes after delays in February and March caused by technical issues with the rocket, including hydrogen leaks and a problem with helium flow.
There’s one notorious issue that NASA engineers will be keeping an eagle eye out for today: hydrogen leaks.
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