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=== Hypersonic technology ===
A 120-second ground test of an active-cooled scramjet combustor for next-generation missiles was conducted by DRDL on 21 January 2025. The test showed stable combustion and successful ignition. Together with the [[Department of Science and Technology (India)|Department of Science and Technology]] (DST) and the private sector, DRDL has taken the lead in developing an improved ceramic [[thermal barrier coating]] (TBC), endothermic scramjet fuel, and a long-duration scramjet engine. A novel flame stabilization method was added to the scramjet combustor, which maintains a constant flame inside the combustor at air speeds greater than 1.5 km/s. In addition to improving cooling, the endothermic fuel shortens ignition times. With its excellent temperature resistance, the cutting-edge ceramic TBC can function above the melting point of steel.<ref>{{cite news |title=DRDO conducts Scramjet Engine Ground Test |url=https://pib.gov.in/PressReleasePage.aspx?PRID=2094886 |access-date=21 January 2025 |agency=Ministry of Defence, Government of India. |publisher=Press Information Bureau |date=21 January 2025}}</ref>
== References ==
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