Try this link for a very moving view of SSgt. Tim Chambers' annual tribute at Rolling Thunder XXIV...his wrist should have been in a cast, but this would have made it impossible for him to salute...you can see he was in a great deal of pain, making his extraordinary gesture even more meaningful for all those suffering from wounds both visible and invisible...
[ame=http://www.youtube.com/user/mag12chulai#p/u/0/shBJyYfG7O8]YouTube - mag12chulai's Channel[/ame]