http://www.lockheedmartin.com/wms/findPage.do?dsp=fec&ci=18189&rsbci=0&fti=111&ti=0&sc=400
the video, not in this link, was quite good, and showed the destruction of a scud type target.
one must hit these before reentry, because in reentry the missle breaks up and you have lost targetting of the warhead