SpaceX launched the largest iteration of its Starship rocket on a test flight Friday, marking another key development milestone for the vehicle the company is building to carry humans to the Moon and eventually Mars. The launch lifted off from SpaceX's Starbase facility in South Texas after a previous attempt was scrubbed.

The new Starship prototype represents an upgraded configuration compared to earlier test vehicles, reflecting ongoing iterative development that SpaceX has pursued across multiple flight tests over the past two years. The company has steadily increased the rocket's capabilities with each successive version.

Starship is central to NASA's Artemis program, which has contracted SpaceX to use a modified version of the vehicle as a lunar lander to return astronauts to the Moon. The continued test campaign is aimed at proving out the rocket's systems before crewed missions are attempted.

Friday's launch followed a scrubbed attempt earlier in the week, with SpaceX teams working through technical issues before proceeding with the flight. Such delays are common in rocket development programs and were anticipated as part of the testing schedule.

The successful liftoff advances SpaceX's broader ambitions for Starship, which is designed to be a fully reusable launch system capable of carrying large payloads and crews to destinations across the solar system. Elon Musk has described the vehicle as the cornerstone of his vision for making humanity a multi-planetary species.