The four astronauts of NASA's Artemis II mission returned to Earth on Thursday, April 10, when their Orion spacecraft splashed down in the Pacific Ocean off San Diego at 8:07 p.m. Eastern. [1] Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialists Christina Koch and Jeremy Hansen had spent ten days in space, traveled 1.1 million kilometers, and become the first humans to fly around the Moon since Apollo 17 in December 1972. By Sunday, they were doing press interviews. By Monday, NASA was already talking about what comes next.

NASA Administrator Jared Isaacman appeared on Good Morning America on April 13 and called the mission "just the first step toward establishing a permanent human presence on and around the Moon." [2] He confirmed that NASA will announce the Artemis III crew "soon" and is targeting a lunar landing next year. [3] Artemis III will test docking with commercial landers from SpaceX and Blue Origin in an architecture blending government hardware with private-sector vehicles.

The Orion capsule re-entered at more than 24,000 miles per hour, the fastest any crewed vehicle has traveled during re-entry since Apollo. [1] The heat shield, redesigned after Artemis I revealed more ablation than expected, performed within parameters. Recovery teams aboard the USS John P. Murtha extracted the crew in good health.

Barack Obama posted on X: "What the Artemis II astronauts did over the last 10 days was a testament to their bravery. And the fact that they traveled farther from Earth than anyone ever has, re-entered our atmosphere at more than 24,000 mph, and splashed down safely is a triumph of science and engineering." [4] The post rekindled a familiar debate about whether the $93 billion spent on Artemis represents the best use of NASA's budget.

That debate has intensified since Isaacman, the billionaire founder of Shift4 Payments who commanded the private Polaris Dawn mission, became NASA administrator. His dual identity — commercial space evangelist and head of the agency that awarded SpaceX the Artemis lunar lander contract — creates tensions that the Artemis III announcement will test. SpaceX's Starship, the designated Human Landing System, has yet to complete a successful orbital refueling demonstration.

Hansen, the Canadian Space Agency astronaut who became the first non-American to fly to the Moon, described the Earthrise view as "something that changes you permanently." PBS noted that Artemis II was the longest crewed deep-space mission since Apollo. [5] The mission profile — a free-return trajectory with no orbital insertion — was deliberately conservative, designed to prove Orion's systems before the higher-risk landing attempt.

The ten-day mission answered the hardware questions. The political and fiscal questions remain. Whether Artemis III launches next year or slips into 2028 will depend on Starship development timelines that even SpaceX does not claim to control. For now, four astronauts are home, the capsule worked, and NASA has its mandate to go back.

-- KENJI NAKAMURA, Tokyo