In the decades since Project Pluto’s cancellation, the Russians have taken the core idea as their own—and unlike the Americans, do not appear concerned about the ethical quandaries it presents. In the ...
In 1957, the U.S. Air Force began Project Pluto — a nuclear-powered cruise missile program. The result was the Supersonic Low Altitude Missile (SLAM). It was designed to fly at Mach 3 at a few hundred ...