Their advantage is stealth, which is fine right until a new advance in sensor technology allows an enemy to target them.
Like the surprises that our F-117's encountered over Serbia
"Like the surprises that our F-117's encountered over Serbia"
Exactly. We should never underestimate an enemy. A lot of the time, there are unpleasant surprises in war, and things dont go exactly according to plan.
The F-117A downed over Serbia was actually shot down by an obsolete SA-3 Goa, an old missile not believed to be capable of tracking down and killing a "stealth" fighter like the Nighthawk.