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**News Article:**

**ISRO Aims for 2027 Launch of Upgraded LVM3 Rocket with Semi-Cryogenic Engine**

**THIRUVANANTHAPURAM, August 2, 2025** – The Indian Space Research Organisation (ISRO) is targeting the first quarter of 2027 for the launch of its enhanced LVM3 launch vehicle, which will feature a newly developed semi-cryogenic propulsion stage. ISRO Chairman V. Narayanan announced the 2027 target date during a visit to Thiruvananthapuram, stating that tests on the engine’s power head are progressing successfully.

The upgraded LVM3, formerly known as GSLV Mk III, will replace its existing liquid-fueled L110 core stage with a semi-cryogenic stage utilizing refined kerosene and liquid oxygen (LOX). Additionally, the cryogenic upper stage will see its propellant loading increased from 28 to 32 tonnes. These upgrades are expected to increase the rocket’s payload capacity to geosynchronous transfer orbit (GTO) from 4200 kg to 5200 kg and reduce the cost of placing satellites in orbit by 25%.

Mr. Narayanan described the semi-cryogenic engine, designated SE2000, as a complex design requiring specialized materials to withstand high temperatures and oxidizer-rich combustion. The engine is designed to supply 200 tonnes of thrust, far exceeding the 80 tonnes thrust of the Vikas engine currently used. The Liquid Propulsion Systems Centre (LPSC) of ISRO is responsible for the engine’s development. The Semi-cryogenic Integrated Engine and Stage Test Facility (SIET) at the ISRO Propulsion Complex (IPRC) at Mahendragiri, Tamil Nadu, was dedicated by Prime Minister Narendra Modi in February 2024.

The successful implementation of semi-cryogenic technology is seen as a crucial step for ISRO, paving the way for its use in future launch vehicles and enhancing India’s capabilities in space exploration and satellite deployment.

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