SpaceFields is turning solid propulsion R&D into scaled manufacturing

In 2025, Bengaluru-based spacetech startup SpaceFields was best known for its work on solid rocket propulsion and an Aerospike engine it hoped could make rocket launches more efficient. The company was then a relatively small, IISc -incubated startup working to develop its propulsion technology and build out its manufacturing capabilities. Just a year down the line,  SpaceFields  SpaceFields has expanded both its team and its ambitions, with defence now becoming an increasingly important part