Although many potential customers initially were skeptical of Wayne Sawka’s claims that he could deliver solid propellant that could be held in fire without igniting, turned on and off without moving parts and produced without any toxic chemicals, DSSP was able to demonstrate those claims with the help of Mike McPherson

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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...