The Kriega stuff is very very good, I think it will cope easily with the airline. as an added precaution put the whole lot in a pacsafe, erm, bag thingy
http://www.pacsafe.com/www/index.php...&activity_id=6
You could also try to double it up with the Kriega bat-belt,
http://www.kriega.com/pages_uk/r8/R8frameset.html
The US 10 can go onto the bike seat when you get there.