How about all ICBM's must also be able to land safely without detonating after being launched, ala SpaceX's rockets? Current ICBM's probably have a self destru

How about all ICBM's must also be able to land safely without detonating after being launched, ala SpaceX's rockets? Current ICBM's probably have a self destruct capability, but that could spread uranium or plutonium across the land.