back on american soil, but he would never know it and that is by design. cnn's brian todd explains. >> reporter: in a town where the buzzing of fighter jets is constant, where joyful reunions are a staple, america's most fearsome fighting unit goes unnoticed. unofficially called s.e.a.l. team six, they're the navy commandos believed to have killed osama bin laden. s.e.a.l. training takes years. at least 75% of those who try out wash out. despite their ee lite lead status, many of s.e.a.l. team six's neighbors here in virginia beach wouldn't know one of those warriors if they fell over him. >> when the s.e.a.l.s come into a place like this, are they noticeable? >> personally, for me, i don't think they're noticeable beyond any other person in the military. >> john mcchoir, a s.e.a.l. for ten years was once stationed in virginia beach.