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Relevance: GS-III (Science & Tech — Awareness in Space, Indigenization of Technology) Source: Global Space & Defense Reviews, July 2026

1 · What is the news in simple words?

In a major technological breakthrough, China has successfully landed and recovered a reusable rocket for the very first time.
The rocket, named Long March 10B, lifted off from Hainan. Six minutes into the flight, its main booster separated, slowly descended back to Earth, and was safely caught at sea! This historic achievement directly challenges the global monopoly of American space giants like SpaceX and Blue Origin in reusable space technology.

2 · How does this rocket work?

Usually, rockets burn up or crash into the ocean after launching satellites, making space travel extremely expensive. A reusable booster returns safely to be used again. However, China used a very unique landing method compared to the US:

The Traditional Way
Legs or Chopsticks
Most reusable rockets (like SpaceX’s Falcon 9) use heavy metal “landing legs” to touch down on ground pads, or use giant mechanical tower arms (called “chopsticks”) to catch the rocket in mid-air.
China’s Innovation
The Wire Net Catch
China used a completely different trick. The rocket uses onboard computers to align itself with a ship at sea. As it lowers, special “landing hooks” on the rocket grab onto a suspended wire net, catching it gently!
The Advantage
Lighter & Cheaper
By removing heavy hydraulic landing legs and using simple hooks, the rocket becomes much lighter. This weight saving allows it to carry much heavier payloads into space at a fraction of the usual cost.
The Target
Low Earth Orbit (LEO)
The Long March 10B is a heavy-lift rocket capable of carrying up to 16 metric tons of cargo directly into Low Earth Orbit (the region between 160 km and 2,000 km above Earth).

3 · Why is this a strategic concern?

  • The Race for the Moon’s South Pole: China plans to send astronauts to the Moon by 2030 using this rocket series, directly competing with America’s NASA Artemis program. Whoever gets there first wants to secure the Moon’s South Pole, where frozen water ice can be turned into rocket fuel for deep-space exploration.
  • Beating Western Satellite Dominance: China wants to launch thousands of communication satellites into LEO to build its own internet constellations. Doing this with use-and-throw rockets is too expensive; this new reusable technology makes their mega-plans economically possible.

UPSC Prelims Quick Facts: Where does India stand?
Pushpak (RLV-TD) ISRO’s Reusable Launch Vehicle – Technology Demonstrator. It is a winged spaceplane concept. Through LEX (Landing Experiments), ISRO has already mastered autonomous runway landings!
NGLV (Project Soorya) ISRO’s Next Generation Launch Vehicle, currently in the design phase. It will be a heavy-lift rocket with a reusable first stage capable of vertical landing, much like SpaceX or China’s models.
Bharatiya Antariksha Station India’s own planned Space Station, targeted to be built by 2035. ISRO’s reusable NGLV rockets will be crucial for carrying heavy cargo to build this station affordably.
Low Earth Orbit (LEO) An Earth-centered orbit with an altitude ranging from 160 km to 2,000 km. It is the prime parking spot for most spy satellites, the International Space Station, and internet constellations.

MCQ Practice Question
Q. With reference to global reusable launch technologies and India’s space initiatives, consider the following statements:

  1. China’s Long March 10B rocket utilizes a wire net and hook mechanism for maritime recovery to reduce the overall weight of the rocket.
  2. ISRO’s ‘Pushpak’ is a winged Reusable Launch Vehicle (RLV) that has successfully demonstrated autonomous runway landings.
  3. Low Earth Orbit (LEO) is strictly defined as an altitude extending beyond 35,786 km above the Earth’s equator.

Which of the statements given above is/are correct?
(a) 1 and 2 only    (b) 2 and 3 only    (c) 1 and 3 only    (d) 1, 2 and 3

Answer: (a) 1 and 2 only

  • Statement 1 — Correct: Unlike traditional rockets with heavy hydraulic landing legs, the Long March 10B uses landing hooks and a suspended wire net on a ship, saving weight to carry extra cargo.
  • Statement 2 — Correct: ISRO’s Pushpak (RLV-TD) spaceplane has successfully proven its capability to land autonomously on a runway during its Landing Experiments (LEX).
  • Statement 3 — Incorrect (the trap): Low Earth Orbit (LEO) lies between 160 km and 2,000 km. The altitude of 35,786 km refers to the *Geostationary Earth Orbit (GEO)*, where telecommunication and weather satellites are usually placed.
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