US Navy Patents B64G1/409 Unusual Spacecraft Propulsion Systems for Anti-Gravity Spacecraft
US Navy Patents B64G1/409 Unusual Spacecraft Propulsion Systems for Anti-Gravity Spacecraft
Jan 16, 2023, 2:22am UTC
https://medium.com/@viorelsecareanu85/us-navy-patents-b64g1-409-unusual-spacecraft-propulsion-systems-for-anti-gravity-spacecraft-2e3a99efbfe7