The DRDO Scramjet Engine Test conducted on January 9, 2026, marks a defining moment in India’s journey toward advanced defence and aerospace capabilities. The Defence Research & Development Laboratory (DRDL) in Hyderabad has successfully conducted a landmark long-duration ground test of a full-scale actively cooled scramjet combustor, achieving an impressive sustained run time of more than 12 minutes at its advanced Scramjet Connect Pipe Test (SCPT) Facility. This achievement places India among the select nations capable of developing hypersonic missile technology.
Building on Previous Success
This milestone builds upon the earlier subscale scramjet test conducted in April 2025, which validated the feasibility of long-duration supersonic combustion. The latest test demonstrates India’s ability to scale up the technology, ensuring reliability and endurance for future hypersonic cruise missiles.
The combustor and test facility were designed and developed by DRDL scientists in collaboration with industry partners, showcasing the strength of India’s indigenous defence ecosystem. The successful test validates both the design of the scramjet combustor and the robustness of India’s advanced aerospace infrastructure.
Hypersonic Missile Capabilities
The hypersonic cruise missile powered by scramjet technology is capable of flying at speeds exceeding Mach 5 (over 6,100 km/hr) for extended durations. Unlike conventional rocket engines, the scramjet engine uses supersonic combustion of atmospheric oxygen, eliminating the need to carry oxidizers onboard. This makes the missile lighter, faster, and more efficient.
The DRDO scramjet engine test proves India’s ability to sustain long-duration hypersonic flight, a critical requirement for next-generation missile systems. Such missiles can penetrate advanced air defense systems, providing India with a strategic edge in modern warfare.
Government Recognition
Raksha Mantri Shri Rajnath Singh congratulated DRDO, industry partners, and academia for this breakthrough, calling it a solid foundation for India’s hypersonic missile programme. He emphasized that the achievement strengthens India’s defence preparedness and aligns with the vision of Atmanirbhar Bharat in defence technology.
Similarly, Dr Samir V Kamat, Secretary of Defence R&D and Chairman of DRDO, praised the teams involved for their commendable work, highlighting the importance of this milestone in advancing India’s aerospace and defence ecosystem.
Strategic Importance of the DRDO Scramjet Engine Test
The successful test of the actively cooled scramjet engine demonstrates India’s ability to develop next-generation missile systems capable of countering evolving global threats. It also underscores the nation’s commitment to self-reliance in defence manufacturing, reducing dependence on foreign technologies and strengthening national security.
Key strategic benefits include:
- Enhanced missile speed and range for long-duration missions.
- Indigenous technology development reducing import dependency.
- Strengthened aerospace infrastructure through advanced test facilities.
- Boost to Atmanirbhar Bharat vision in defence innovation.
Conclusion
The DRDO Scramjet Engine Test is a landmark achievement that validates India’s engineering excellence and positions the nation as a rising leader in hypersonic missile technology. With a successful 12-minute ground test of the full-scale combustor, India has taken a decisive step toward operationalizing hypersonic cruise missiles powered by indigenous scramjet engines.
This breakthrough strengthens India’s defense capabilities and reinforces its commitment to Atmanirbhar Bharat, ensuring self-reliance in critical defense technologies. The achievement highlights the synergy between DRDO, industry partners, and academia, paving the way for future innovations in aerospace and missile systems.