**Executive Summary**
This document reports the successful ground test of a full-scale actively cooled long duration Scramjet Engine for the Hypersonic Missile Programme, conducted by the Defence Research & Development Laboratory (DRDL) on January 09, 2026. The test achieved a runtime of over 12 minutes at the Scramjet Connect Pipe Test (SCPT) Facility. This milestone builds on a previous subscale test and advances India's aerospace capabilities.
**Key Points / Main Content**
* **DRDL Achievement:**
* DRDL successfully conducted a long-duration ground test of its Actively Cooled Scramjet Full Scale Combustor.
* The test runtime was over 12 minutes.
* The test was conducted at the state-of-the-art Scramjet Connect Pipe Test (SCPT) Facility.
* The test took place on January 09, 2026.
* **Technological Advancement:**
* This success builds upon the subscale test from April 25, 2025.
* The combustor and test facility were designed and developed by DRDL and industry partners.
* The test validates the design of the advanced scramjet combustor and the capabilities of the SCPT facility.
* **Hypersonic Missile Capabilities:**
* The Hypersonic Cruise Missile is capable of exceeding five times the speed of sound (over 6,100 km/hr).
* It uses an air-breathing engine with supersonic combustion for sustained long-duration flight.
* **Acknowledgements:**
* Raksha Mantri Shri Rajnath Singh complimented DRDO, industry partners, and academia.
* Secretary, Department of Defence R&D and Chairman DRDO Dr Samir V Kamat congratulated the teams involved.
**Impact Analysis**
**DRDO, Industry Partners, Academia**
* **Impact:** Recognized and complimented for the successful ground test. This achievement reinforces their expertise and strengthens the nation's Hypersonic Cruise Missile Development Program.
* **Action Required:** Continue collaborative efforts to further develop and advance the Hypersonic Cruise Missile Development Program.
**Department of Defence R&D and Chairman DRDO**
* **Impact:** Commended by the teams for their commendable achievement in successfully conducting the ground test.
* **Action Required:** Provide continued support and resources for the Hypersonic Cruise Missile Development Program.
**Nation's Hypersonic Cruise Missile Development Program**
* **Impact:** Solid foundation for the nation's Hypersonic Cruise Missile Development Program.
* **Action Required:** Build upon the success of the ground test to further advance the program.
Key Entities Referenced
Hypersonic Missile Programme: A national-level program focused on developing hypersonic missiles.
Defence Research and Development Organisation (DRDO): The primary research and development arm of the Ministry of Defence, responsible for developing defense technologies, including hypersonic missiles.
Defence Research & Development Laboratory (DRDL): A Hyderabad-based laboratory under DRDO, directly involved in the development of hypersonic missiles.
Scramjet Connect Pipe Test (SCPT) Facility: A state-of-the-art facility used for ground testing scramjet engines.
Ministry of Defence: The government ministry overseeing the development and testing of the Hypersonic Missile Programme.
Ministry of Defence
DRDO conducts successful ground test of full
scale actively cooled long duration Scramjet
Engine for Hypersonic Missile Programme
प्रव तथ: 09 JAN 2026 7:15PM by PIB Delhi
Defence Research & Development Laboratory (DRDL), the Hyderabad-based laboratory of the Defence
Research and Development Organisation (DRDO), has achieved a path-breaking milestone in the
development of Hypersonic Missiles. The DRDL successfully conducted an extensive long-duration
ground test of its Actively Cooled Scramjet Full Scale Combustor, achieving a run time of over 12 minutes
at its state-of-the-art Scramjet Connect Pipe Test (SCPT) Facility on January 09, 2026.
This significant achievement builds upon the earlier subscale test conducted on April 25, 2025, for long
duration, marking a crucial step forward in Hypersonic Missiles development. The Combustor and test
facility were designed and developed by the DRDL and realised by industry partners. The successful test
positions India at the forefront of advanced aerospace capabilities.
Hypersonic Cruise Missile is capable of exceeding five times the speed of sound (over 6,100 km/hr) for
extended periods. The remarkable feat is achieved through cutting-edge air-breathing engine, which
utilises supersonic combustion to sustain long-duration flight. The ground-tests conducted at SCPT facility
have successfully validated the design of advanced scramjet combustor, as well as the capabilities of state-
of-art test facility.
Raksha Mantri Shri Rajnath Singh complimented DRDO, industry partners and academia on the
successful ground test of Full Scale Actively Cooled Long Duration Scramjet Engine. He stated that the
achievement is a solid foundation for the nation’s Hypersonic Cruise Missile Development Program.
Secretary, Department of Defence R&D and Chairman DRDO Dr Samir V Kamat congratulated the teams
associated with the test for the commendable achievement.****
VK/Savvy
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