Jose wrote:
almost always inadvertently by private pilots.

... *almost* always...???


One of the cases that came closest to a shoot-down was carrying a public
official on official business. I believe this was a commercial pilot.
Of course, he didn't "stray" into restricted airspace, he was supposed
to be there, and "something went wrong".

Jose

A chartered flight taking the gov of Kentucky to Reagan's funeral.

http://www.washingtonpost.com/wp-dyn...-2004Jul7.html