DARPA awards Phase Four with contract for Very Low Earth Orbit Propulsion System
In a significant advancement for satellite technology, Phase Four has been awarded a $14.9 million contract by the Defense Advanced Research Projects Agency (DARPA) to develop an air-breathing electric propulsion (EP) system, aiming to enhance satellite functionality in Very Low Earth Orbit (VLEO) at altitudes between 90-450km. This development marks a pivotal step in the DARPA's Otter program,