NASA is making final preparations for the historic Artemis II mission, its first crewed lunar mission in more than 50 years.

NASA astronauts Reid Wiseman, Victor Glover and Christina Koch along with Canadian Space Agency astronaut Jeremy Hansen arrived from Houston at 2:15 p.m. to Kennedy Space Center as they target a launch as early as Wednesday evening.

Scientist Noah Petro, who was part of the lunar surface science team on Artemis I, joined KCRA News on Friday to explain what astronauts will observe

The crew of the Artemis II mission arrived at NASA's Kennedy Space Center on March 27. The four are set to launch around the moon no earlier than April 1.