Americans, We´re supposed to trust them?

Once more the Americans show they are number one in the dangerous people scale!!
How can this sort of thing happen? These people regularly overfly Europe, what if this happens again, or even worse?

http://news.bbc.co.uk/2/hi/americas/7053898.stm

B52´s are big aircraft, one crashing full of live nuclear missiles is unthinkable!