Of course, even your dissembling in this post does not support your false claim that Clark ordered anyone to "open fire" on Russians.
It seems apparent that you are less interested in the facts of the exchange than your characterization of the exchange.
Then you know nothing of military operations. The order to storm the airport by definition meant to take it by force, i.e. open fire on those who held it (in this case, the Russians who were already there).
5 Legislative Days Left Until The AWB Expires