Feb. 3 (UPI) -- NASA early Tuesday announced it was pushing the launch date of its Artemis II mission to March, after engineers encountered a liquid hydrogen leak during a critical prelaunch test.

"With the conclusion of the wet dress rehearsal today, we are moving off the February launch window and targeting March for the earliest possible launch of Artemis II," NASA Administrator Jared Isaacman said in a statement.

The announcement followed the completion of a two-day test called a wet dress rehearsal of its planned lunar flyby at Launch Complex 39B at NASA's Kennedy Space Center in Florida, which involved Mission Control at the Johnson Space Center in Houston.

NASA had initially aimed to launch Artemis II in a Feb. 8-11 window.

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