It's Amazing How Un-Michael Bay this Film Feels...
Despite it being his second film.
The movie isn't just a mindless action flick, but actually has several themes and statements on war and the effect it has on those who participate in it. The villains are domestic terrorists, with the main one being American and who simply wants respect and reparations for the actions of his men, the one who saves the day in the end is the lone British SAS member, and the movie heavily criticizes the poor treatment of veterans that was common at the time.
It's like the complete opposite of the stereotypical Michael Bay flick.