
False.
Something like this was actually on the drawing board, it was called “rods from god”. It was basically just a bunch of tungsten poles dropped from a satellite from orbit.
Nothing much about them was particularly complex, they are made of tungsten to avoid burning up in the atmosphere.
They would go hypersonic as they fell to the ground. but there would be minimal steering capability. It was dreamed up during the Cold War and abandonned, as they were difficult to direct.
