India has achieved a major space milestone as Agnikul Cosmos successfully test fired three 3D-printed semi-cryogenic rocket engines together, marking a first for the country’s private space sector.

The engines used by the top semi-truck brands are built to last far longer than the average car engine. While most passenger vehicles start having major issues after 200,000 miles or less, a ...

Chennai-based Agnikul Cosmos has successfully demonstrated three clustered Agnilet engines firing together. This is the first such test in India, and even ISRO does not possess this technology yet.