Remember that old Thor's hammer-project (Score 1)

of an old Shadowrun storybook? While I always doubted it's possible to get some heavy things up in the sky with appropiate costs, some guys could decide to take a few pieces of such an object to position them in the orbit. Such they'd be able to "throw" them on targets on the earth's surface, with quite a little economical effort - makes a perfect tactical weapon with good destruction and no radiation...