The Americans were particularly courageous and showed extreme bravery in extremely difficult circumstances."
Eg, a large country like the USA will not have much coverage of primary radar deep inside it's borders.
Fortunately for the USA, you are wrong:
Consider it a lesson learned from 9/11.
The most difficult thing in the world is to know how to do a thing and to watch someone else doing it wrong, without commenting. -- T.H. White