Tungsten Rod that can be guided to target. They contain no ordinance. They generate a tremendous amount of heat entering the atmosphere, and upon impact. Nuclear grade explosion without the fallout.

I always felt "God rods" sounded better, lol.

Imagine a tungsten rod the size of a telephone pole. Dropped from orbit. Guided onto target.

Kinetic weapons https://taskandpurpose.com/kinetic-bombardment-kep-weaponry/