Launcher announced delivery Nov. 13 of "the world's largest 3D-printed combustion chamber." Additive Manufacturing Customized Machines of Starnberg, Germany, printed the copper alloy combustion chamber for Launcher’s E-2 rocket engine.

Launcher won its first government funding when the U.S. Air Force awarded the the Brooklyn-based startup $1.5 million to accelerate development and testing of its E-2 rocket engine.

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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...