Artemis I
Sign in to saveAlso known as EM-1, SLS-1, Exploration Mission-1, Space Launch System-1, Artemis 1
Artemis I, formerly Exploration Mission-1 (EM-1), was an uncrewed Moon-orbiting mission. As the first major spaceflight of NASA's Artemis program, Artemis I marked the agency's return to lunar exploration after the conclusion of the Apollo program nearly five decades earlier. It was the first integrated flight test of the Orion spacecraft and Space Launch System (SLS) rocket, and its main objective was to test the Orion spacecraft, especially its heat shield, in preparation for subsequent Artemis missions. These missions seek to reestablish a human presence on the Moon and demonstrate technologies and business approaches needed for future scientific studies, including exploration of Mars.
Artemis I was an uncrewed test flight of NASA's new Orion spacecraft and Space Launch System rocket, designed to orbit the Moon and verify that the spacecraft—particularly its heat shield—works safely before astronauts fly on future missions. This mission marked NASA's first return to lunar exploration in nearly 50 years and represents the beginning of a program aimed at putting humans back on the Moon and eventually exploring Mars.
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nasa.gov →NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. Technicians inside the Payload Hazardous Servicing Facility at Kennedy Space Center in Florida install and test antennas on a solar array on Wednesday, March 20, 2024, for the agency’s Europa Clipper spacecraft. NASA’s future will continue to be a story of human exploration, technology, and science. We will go back to the Moon to learn more about what it will take to support human exploration to Mars and beyond. We will continue to nurture the development of a vibrant low-Earth orbit economy that builds on the work done to date by the International Space Station. NASA engineers will develop new technologies to improve air transport at home and meet the challenges of advanced space exploration. Our scientists will work to increase an understanding of our planet and our place in the universe. The Artemis II crew, from left: NASA astronauts Reid Wiseman and Christina Koch; CSA (Canadian Space Agency) astronaut Jeremy Hansen; and NASA astronaut Victor Glover pose for a group photo after viewing the Orion spacecraft in the well deck of the USS John P. Murtha, Saturday, April 11, 2026, in the Pacific Ocean off the coast of California. When NASA opened for business on October 1, 1958, it accelerated the work already started on human and robotic spaceflight, and over the last 65 years it has continued to push the boundaries of aeronautics and space exploration. Now NASA is preparing to take humankind farther than ever before, as it helps to foster a robust commercial space economy near Earth, and pioneers further human and robotic exploration as we venture into deep space. NASA’s Perseverance Mars rover took a selfie with the Ingenuity helicopter, seen here about 13 feet from the rover. This image was taken by the WASTON camera on the rover’s robotic arm on April 6, 2021, the 46th Martian day, or sol, of the mission. Jared “Rook” Isaacman is the 15th Administrator of the National Aeronautics and Space Administration. An entrepreneur and skilled pilot, Isaacman commanded Inspiration4, the first all-civilian orbital spaceflight aboard the Dragon spacecraft. The mission was a major milestone in commercial spaceflight. Matt Anderson is NASA’s deputy administrator. Anderson is a decorated Air Force command pilot in multiple aircraft with more than 5,000 flight hours, including more than 650 in combat. Throughout his 24-year Air Force career, he served on several senior U.S. Department of War staffs and commanded at multiple levels before retiring in 2021. Amit Kshatriya is NASA’s associate administrator. Kshatriya serves as the highest-ranking civil servant at the agency and as a senior advisor to the administrator. Kshatriya leads the agency’s 10 center directors, as well as the mission directorate associate administrators at NASA Headquarters in Washington. Align your talents with your passion and find out why NASA consistently is named a best place to work in the federal government. At NASA, you'll have an opportunity to work on unique and challenging projects that truly make an impact on humanity. Stay up-to-date on the latest news from NASA–from Earth to the Moon, the Solar System and beyond.
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Encyclopedic overview
Artemis I (November 16 – December 11, 2022), formerly Exploration Mission-1 (EM-1), was an uncrewed Moon-orbiting mission. As the first major spaceflight of NASA's Artemis program, Artemis I marked the agency's return to lunar exploration after the conclusion of the Apollo program nearly five decades earlier. It was the first integrated flight test of the Orion spacecraft and Space Launch System (SLS) rocket, and its main objective was to test the Orion spacecraft, especially its heat shield, in preparation for subsequent Artemis missions. These missions seek to reestablish a human presence on the Moon and demonstrate technologies and business approaches needed for future scientific studies, including exploration of Mars.
The Orion spacecraft for Artemis I was stacked on October 20, 2021, and on August 17, 2022, the fully stacked vehicle was rolled out for launch after a series of delays caused by difficulties in pre-flight testing. The first two launch attempts were canceled due to a faulty engine temperature reading on August 29, 2022, and a hydrogen leak during fueling on September 3, 2022. Artemis I was launched on November 16, 2022, at 1:47:44 am EST.
Excerpted from Wikipedia’s “Artemis I” article, available under the CC BY-SA 4.0 licence.