Let’s skip over nuclear missiles neutralized in flight and oil spills contained and dissipated. (1)
Galactics (as I prefer to call them) eliminated the certain omnicidal threat of depleted uranium from this planet. I repeat: The planet-killing effect of depleted uranium.
Military strategists have known since World War Two that certain metals like tungsten increase the effectiveness of bullets, shells, and bombs.
By the late Sixties, they’d developed depleted-uranium armament, which could slice through a tank like butter.
What is it about DU that makes it a planet killer?