Dawn Aerospace produces the B20 and B1 "green propellant" thrusters and associated systems. Thirty-three Dawn thrusters on eight spacecraft are in orbit. More than 100 additional thrusters have either been ordered or delivered to customers for operation in low Earth orbit.

With recent grants from government agencies, Dawn Aerospace is refining its nitrous-based satellite propulsion technology.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...