The National Aeronautics and Space Administration is preparing to send astronauts around the moon for the first time in more than five decades, marking a major milestone in its Artemis program. Three astronauts from the United States and one from Canada are scheduled to launch aboard the Orion spacecraft for a 10 day mission that will travel farther into space than any previous human flight. The mission is designed to test critical systems before future lunar landings later in the decade.

The flight comes as the United States seeks to reassert leadership in space amid growing competition from China, which is advancing its own lunar ambitions and aims to land astronauts on the moon by 2030. American officials view a return to the lunar surface, last achieved in 1972, as both a scientific priority and a strategic objective. Future missions are expected to target the moon's south pole and lay groundwork for eventual journeys to Mars.

The Artemis program, which has cost at least 93 billion dollars since 2012, relies heavily on partnerships with private companies to develop rockets, spacecraft and lunar landers. While long term plans envision a commercial market on the moon, analysts say government funding will remain the primary driver for years. The upcoming mission will test life support, navigation and communication systems before more complex operations, including docking with privately built lunar landers, are attempted later this decade.