# 長征12B是一款兩級火箭，具備可重複使用的第一級。

*aerospace · news · 2026-06-03 · The Indian Express*

## Key points

- 中國航天科技集團在長征12B首飛任務中未嘗試回收助推器。
- 長征12A於2025年12月首飛時嘗試助推器著陸但失敗。
- 藍箭航天的朱雀三號與星際榮耀的天龍三號在首次軌道任務中均未成功回收助推器。
- 包括中國航天科工、銀河航天與深藍航天在內的多家中國公司正在開發可重複使用火箭。

Designed as a two-stage rocket with a reusable first stage, the Long March 12B stands about 70 metres tall and is powered by nine engines on its booster stage. Like Falcon 9, it uses kerosene and liquid oxygen as propellants. Despite its reusable design, CASC did not attempt to recover the booster during the rocket’s debut mission. The company said booster landing demonstrations will be carried out on future flights. SpaceX, in comparison, has successfully landed Falcon 9 first-stage boosters hundreds of times, making reusability a core part of its launch operations. The Long March 12B is not the only Chinese rocket being developed with reusability in mind. CASC’s Long March 12A attempted a booster landing during its maiden flight in December 2025. While the rocket successfully reached orbit, the landing attempt was unsuccessful. China’s private space companies are also pursuing reusable launch technology. Landspace’s Zhuque-3 rocket completed its first orbital mission in December 2025 but failed to recover its booster. Another reusable rocket, Space Pioneer’s Tianlong-3, completed its first flight on April 3, 2026, but the mission failed. Also Read: Nasa prepares to introduce 4-person Artemis 3 crew for upcoming lunar mission Several other Chinese companies are currently developing reusable launch vehicles. These include CAS Space’s Kinetica-2, Galactic Energy’s Pallas-1 and Deep Blue Aerospace’s Nebula 1. These projects highlight how China is trying to develop its reusable rockets and expand its presence in the space industry. Though SpaceX is leading when it comes to reusing rockets, the successful launch of the Long March 12B signals China’s intent to try the same thing.

**Companies:** SpaceX, China Aerospace Science and Technology Corporation (CASC), Landspace, Space Pioneer, CAS Space, Galactic Energy, Deep Blue Aerospace
**Countries:** China, United States

[Read the full story on The Indian Express](https://indianexpress.com/article/technology/science/china-launches-falcon-9-like-long-march-12b-rocket-in-surprise-debut-mission-10722399/)

---

Canonical: https://newsio.io/zh-TW/n/f4f301e9-db5b-4d18-8246-bdf0daa402cc/12b70
Summarized by Newsio from The Indian Express. https://newsio.io/how-it-works
