2. Nuclear thermal rocket concept

RAW VIDEO: Nuclear-Powered Spacecraft That Can Take Humans To Mars To Be Operational By 2027 2/2

NASA Reignites Program for Nuclear Thermal Rockets

Nuclear Thermal Propulsion Systems - An Analysis of Current Propulsion Systems

Open Cycle Gas Core Nuclear Thermal Rocket by William-Black on DeviantArt

A nuclear-powered rocket could take astronauts to Mars in just 45 days

NASA's Nuclear Engine Will Generate 10,000 Pounds Of Thrust & Launch In 2027

NASA and DARPA select Lockheed Martin to develop DRACO nuclear propulsion demo - SpaceNews

Timber Wind: America's Return to Nuclear Thermal Rockets – Beyond NERVA

Nuclear Thermal Propulsion – Beyond NERVA

Nuclear Rocket - Propulsion 2 - Aerospace Notes

Nuclear power in space? Petition asks White House to rekindle project

The US plans to put a nuclear-powered rocket in orbit by 2025