NASA astronaut Bob Hines joins Artemis III backup crew

Frank Rubio, one of four astronauts named for NASA's Artemis III mission, holds the record for the longest spaceflight by a U.

EO
Dr. Elena Ortiz

June 10, 2026 · 3 min read

View of Earth from lunar orbit with a NASA spacecraft, symbolizing the Artemis III mission and the return to the Moon.

Frank Rubio, one of four astronauts named for NASA's Artemis III mission, holds the record for the longest spaceflight by a U.S. astronaut, logging 371 days in orbit during 2022. His unparalleled experience makes him a critical choice for the upcoming lunar endeavor. NASA has named a highly seasoned crew for Artemis III: Randy Bresnik as commander, Luca Parmitano as pilot, and Andre Douglas and Rubio as mission specialists, according to NASA. Bob Hines will serve as backup.

Yet, despite a highly experienced crew and a 2027 target, Artemis III will initially test lunar landers in Earth orbit, not immediately land on the Moon. This pragmatic, phased approach prioritizes rigorous validation over a swift lunar touchdown, likely extending the timeline for an actual human moon landing beyond 2027. NASA clearly values methodical safety above public pressure for a rapid return.

Rubio’s record-breaking 371-day flight in 2022, confirmed by The Planetary Society, makes his assignment to Artemis III's Earth-orbit testing phase particularly telling. NASA clearly views this initial validation as exceptionally complex and high-stakes, demanding peak human expertise. The mission serves as a critical proving ground, a high-fidelity testbed for future deep-space endeavors, not merely a lunar stepping stone. Deploying seasoned astronauts like Rubio and commander Randy Bresnik for these preparatory steps underscores their absolute criticality—as vital as the lunar landing itself.

Experience and the Path to the Moon

The selection of a backup crew member, Bob Hines, alongside the prime team, further solidifies NASA's meticulous risk mitigation. It screams caution, even for the preparatory phases. While the mission targets a 2027 moon landing, according to space, the initial Earth-orbit testing phase signals a multi-stage mission—or a potential delay in the actual lunar touchdown. NASA is managing expectations, prioritizing thorough preparation over a direct sprint to the Moon's surface. This methodical approach, while delaying immediate gratification, promises a more robust and sustainable lunar presence, a critical implication for long-term space exploration.

What Comes Next for Lunar Exploration?

Artemis III's phased approach sets a powerful precedent for all future deep-space endeavors: systematic validation trumps speed. This rigorous human-in-the-loop testing of critical systems, especially the lunar lander, minimizes immediate lunar deployment risks. It's a foundational step for NASA's long-term vision, which extends far beyond a single landing to establishing a sustained human presence on the Moon and, eventually, Mars. The invaluable data from this cautious progression will forge robust lunar infrastructure and operational protocols. This commitment to thoroughly vetted procedures, leveraging the unparalleled experience of astronauts like Rubio and Bresnik, means the Artemis program is building not just a mission, but a reliable pathway to humanity's deep-space future.

Ultimately, if NASA maintains this rigorous, phased approach, a sustained human presence on the Moon, and eventually Mars, appears not just possible, but inevitable.

Who are the astronauts for Artemis III?

The Artemis III prime crew includes Commander Randy Bresnik, who previously commanded the International Space Station Expedition 53. Pilot Luca Parmitano is a European Space Agency astronaut and former commander of the International Space Station. Mission Specialists Andre Douglas, a spacecraft engineer, and Frank Rubio, known for his record-breaking long-duration flight, complete the team.

When is the next Artemis mission after Artemis II?

Artemis III is the next crewed mission following Artemis II. While Artemis II is planned to perform a lunar flyby, Artemis III is slated for a 2027 launch with the goal of returning humans to the lunar surface. The precise launch date for Artemis II is currently targeted for September 2025.

What is the goal of the Artemis III mission?

The primary goal of the Artemis III mission is to return humans to the lunar surface, specifically targeting the Moon's South Pole region. This mission aims to land the first woman and the first person of color on the Moon. Initially, the mission will conduct critical tests of lunar landers in Earth orbit before proceeding with the lunar landing objectives.