China has announced plans to debut a reusable, cargo-optimized version of its Long March 10 launch vehicle in the first half of 2026. This significant development is part of the country"s efforts to increase its launch cadence, particularly for megaconstellation projects such as the Guowang constellation and supporting missions to the Tiangong space station.
The Long March 10B rocket, as it is known, will be capable of carrying 11,000 kilograms of payload to a 900-kilometer-altitude orbit at a 50-degree inclination. This capability is made possible by its methane-liquid oxygen second stage, a technological advancement that highlights China"s commitment to developing efficient and powerful propulsion systems. The use of methane as a fuel is notable, as it offers potential advantages in terms of specific impulse and reusability compared to traditional rocket fuels.
The development of the Long March 10B is closely related to China"s need to enhance its launch capabilities to support an increasing number of space missions. By achieving reusable launch capabilities, China aims to significantly reduce the cost per launch and increase the frequency of its launches. This goal is particularly important for megaconstellation projects, which require launching numerous satellites in a short timeframe. Reusability would allow China to maintain a high launch cadence without proportionally increasing the production of new rockets, thereby saving resources and reducing environmental impact.
The context of this development is set against China"s recent record-breaking launch activities. In 2025, China set a new national record with 92 launches, demonstrating its rapidly expanding space program. The introduction of reusable launch technology would be a major milestone in this expansion, placing China among the forefront of nations leveraging reusability to enhance their space capabilities.
The significance of this development extends beyond China"s national space program, as it reflects broader trends in the global aerospace industry towards reusability and efficiency. Companies like SpaceX have already demonstrated the feasibility and benefits of reusable launch vehicles, leading to a shift in how the industry approaches launch services. China"s entry into this arena with its Long March 10B rocket signals a new level of competition and innovation in space technology, potentially driving down costs and increasing access to space for a variety of missions.
In conclusion, the upcoming debut of China"s reusable Long March 10-derived rocket marks an important step forward in the country"s space program, with implications for both its domestic ambitions and the global aerospace industry. As China continues to push the boundaries of space technology, its advancements are likely to have a profound impact on how we explore and utilize space in the future.