Pulsed Plasma Rocket (PPR): Shielded, Fast Transits for Humans to Mars
Howe Industries is currently developing a propulsion system that may generate up to 100,000 N of thrust with a specific impulse (Isp) of 5,000 seconds. The
Brianna Clements Howe Industries Pulsed Plasma Rocket Pulsed Fission Fusion Galactic Cosmic Rays Asteroid Belt
Source: nasa.gov