Ursa Major is a space propulsion company developing innovative and efficient rocket engines. The company has been working on two main engine designs: one for hypersonic flight, and one for space launch.

Their engines are designed to be more efficient and cost-effective than traditional rocket engines, and they have the potential to revolutionize the space industry.

The company has already won a contract from the U.S. Air Force Research Laboratory to develop these engines, and they are working hard to bring their technology to market.