You would have to launch it to get it 250 miles up there.
A 125 miles up would do the trick.
Exactly. You could launch it from any location, as long as your launch vehicle could deliver it to the proper DETONATION location and that might be 250 miles up over the mid-USA.
Then all you need to do is to detonate. No more launching necessary when it is in location as the article seems to imply you would need to do.
Poor writing in the story and the poster did not seem to have an issue with posting crap. His only response was to post personal insults.