A launch countdown includes “L Minus” to indicate how far away liftoff is in hours and minutes, and “T Minus” to show a sequence of events built into the launch countdown.
The two-day countdown for the Artemis 2 mission around the moon started March 30 with NASA officials reporting no major issues for the launch.
NASA officials on Monday started the two-day countdown to the Artemis II mission launch, which will send a crew of four around the moon.