Four NASA astronauts headed on a lunar voyage on April 1, which is humanity's first flight to the moon in over 50 years. The Artemis II mission will be a 10-day flight without stops. The 32-story Space Launch System rocket lifted off with a diverse crew, including three Americans and one Canadian are aboard NASA's Orion capsule. Mission Specialist Christina Koch is the first woman on a moon mission. Pilot Victor Glover is a black man part of the high-stakes flight.