This better not come down on the united shits of america or there'll be more war talk going forward. It's likely to just see an ocean drop and that will be it.
When it
burns up in the atmosphere it will no longer exist to fall anywhere. Only a "few small parts" would be likely to remain.
It's not a solid piece of rock like a meteor. The hull will be breached and fire will consume the ship from the inside and out simultaneously, unlike a meteor which only burns from the outside surface area and therefore can survive a lot longer.