SAN JOSE, Calif.--(BUSINESS WIRE)--Momentus Inc. (NASDAQ: MNTS), a U.S. commercial space company offering satellites, satellite components, and in-space transportation and services, today announced that it was awarded a $2.5 million contract on September 29, 2025 by NASA's Armstrong Flight Research Center to conduct a demonstration on-orbit of a new thruster called the Rotating Detonation Rocket Engine (RDRE). "We're proud to be selected by NASA to perform this key mission to advance the develo. ...