SpaceX prepares to debut Starship Version 3, its largest rocket yet

SpaceX is preparing to launch Starship Version 3 (V3), its largest rocket to date, from its South Texas facility on May 19 at 6:30 p.m. ET. Standing at 407 feet tall—4 feet taller than its predecessor—the V3 incorporates upgrades to both the booster and upper stage, designed to improve performance for orbital and deep-space missions. This launch, referred to as flight 12, will use a new pad at SpaceX’s Boca Chica facility, where the company has paused test flights since October 2025 to refine the design. The V3’s primary goal is to demonstrate in-orbit refueling, a process requiring two Starships to dock in space and transfer hundreds of tons of super-cooled propellant. This capability is essential for sustaining human missions to Mars and supporting NASA’s Artemis program, where SpaceX is contracted to develop a lunar lander. The success of this test flight could accelerate Starship’s role in both commercial spaceflight and government-led exploration efforts. SpaceX has emphasized incremental improvements over previous iterations, with the V3 addressing lessons learned from earlier flights. The company has extended the gap between missions to ensure the rocket’s systems meet safety and reliability standards before proceeding with more ambitious objectives. If this launch achieves orbit, it would mark a significant milestone for SpaceX’s long-term vision of making life multi-planetary. The Starship program remains central to Elon Musk’s ambitions, including establishing a city on Mars and enabling sustainable lunar operations. Meanwhile, competitors like Blue Origin are also developing lunar landers under NASA contracts, adding pressure to SpaceX’s timeline. The May 19 launch window offers a critical opportunity to validate the V3’s design ahead of future crewed missions, though challenges like refueling and reusability must still be resolved.