Servicing both the commercial launch and defense markets, Firehawk Aerospace custom-designs and manufactures high performance hybrid rocket engines powered by 3D printed fuel grains. With a recent customer ordering 115 rocket engines. Firehawk has developed a hybrid rocket fuel that employs additive manufacturing. The company says its engine has just 20 components and no TNT equivalency, enhancing safety, will cost c.20% of the price of a competitive engine, and is designed to build custom rocket engines for a variety of different launch purposes, including small satellite launchers, lunar transport systems, manned spacecraft, and for small defense purposes. Management also indicate the firm's engines can be custom designed in less than six months. In Junee 2021, Firehawk Aerospace signed a Space Act Agreement with NASA to test its rocket engine at Stennis Space Center's A3 test site. As part of the agreement Firehawk occupied building 4130 on the Stennis complex in Hancock County, Mississippi. During the 6 month test campaign Firehawk tested its hybrid engine at a variety of thrust levels using its patented 3D printed hybrid rocket fuel.
