Four astronauts aboard NASA’s Artemis II mission are preparing to travel around the Moon in a historic deep-space journey but they will not attempt a lunar landing. The decision is intentional and reflects the mission’s role as a critical test flight ahead of future surface exploration.
Artemis II is designed as the first crewed mission of the Orion spacecraft in the Artemis program. Its primary objective is to evaluate life-support systems, navigation controls, communication links, and crew performance during a multi-day journey beyond low Earth orbit and around the Moon. Engineers say completing these tests safely is essential before astronauts attempt a landing mission.
Unlike Apollo program missions that placed astronauts on the lunar surface decades ago, Artemis II is focused on validating spacecraft reliability rather than surface operations. NASA officials describe it as a “dress rehearsal” for more complex missions that will follow.
A lunar landing is instead planned for Artemis III, which is expected to return humans to the Moon for the first time since Apollo 17 in 1972. That mission will involve additional spacecraft components, including a specialized lunar landing system not included in Artemis II.
Experts say the step-by-step approach helps reduce risk. Sending astronauts directly to land on the Moon without first testing deep-space flight conditions could increase the chances of technical failure during a complex mission.
The Artemis II crew will instead follow a looping trajectory around the Moon, traveling farther from Earth than any humans have gone since the Apollo era. During the flight, astronauts will conduct onboard system checks, photography operations, and communications demonstrations with mission control.
NASA leaders say the mission marks a major milestone in preparations for sustained lunar exploration and eventual crewed missions to Mars. While there will be no landing this time, Artemis II is widely seen as a crucial step toward humanity’s return to the lunar surface.







