NASA’s Artemis II mission, the first crewed lunar mission since 1972, will send four astronauts on a roughly 10-day journey around the Moon before returning to Earth. While the launch is scheduled to take place from Florida’s Kennedy Space Center on Wednesday, April 1, at around 3:30pm PT, the mission’s conclusion is planned for the Pacific Ocean approximately 60 miles off the coast of San Diego, positioning the region as a key recovery site for one of the most significant spaceflight operations in decades.
The Artemis II crew - NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen - will travel aboard the Orion spacecraft on a “free-return” trajectory, looping around the Moon and using its gravitational pull to guide them back toward Earth. The mission is designed not as a landing, but as a critical systems test ahead of future lunar surface missions under NASA’s Artemis program.
Although much of the public attention centers on launch and deep-space travel, recovery is among the most complex and high-risk phases of any human spaceflight mission. Upon reentry, the Orion capsule will hit Earth’s atmosphere at speeds approaching 25,000 miles per hour before deploying parachutes and splashing down in the Pacific around April 10, 2026, following approximately 10 days in space. From there, a coordinated recovery effort led by the U.S. Navy will begin.
A Navy vessel operating out of Naval Base San Diego is expected to lead recovery operations, supported by helicopters, small boats, and specialized dive teams. Navy divers will be among the first to reach the capsule, stabilizing it in open water and assisting the astronauts as they exit the spacecraft. The crew will then be transported by helicopter to the recovery ship.
San Diego’s role in this process is not incidental. The region has increasingly become a central hub for spacecraft recovery operations due to its strategic coastal positioning, favorable ocean conditions, and proximity to major naval infrastructure. In preparation for Artemis II, NASA and the Navy have conducted multiple large-scale recovery simulations off the San Diego coast, including full-scale rehearsals using Orion test articles to replicate real-world splashdown conditions.
The mission itself represents a major milestone in human spaceflight. Artemis II will be the first time astronauts travel beyond low Earth orbit since the Apollo era, reaching distances that could exceed previous human spaceflight records. It will also mark several historic firsts, including the first woman and first person of color to travel to deep space.
While Artemis III is expected to attempt a lunar landing in the coming years, Artemis II serves as the proving ground, testing the spacecraft, life support systems, and operational procedures required to safely carry humans farther into space than any mission in modern history.
For San Diego, the mission places the region at the intersection of space exploration and naval operations, transforming its coastline into the final waypoint of a journey spanning hundreds of thousands of miles. When the Orion capsule returns from its lunar orbit and splashes down in the Pacific, the first hands to reach the astronauts will come from teams based right here in Southern California.
The Artemis II mission underscores a reality that often goes overlooked: while space exploration may begin on distant launch pads, bringing astronauts home safely depends on precision, coordination, and infrastructure on Earth, including right off the coast of San Diego.
Watch the launch live on NASA's YouTube channel beginning at 12:50pm PT on April 1, with the actual liftoff targeted for 3:34pm PT.
Originally published on March 31, 2026.