Key Points and Summary - Though officially retired since 2008, the F-117A Nighthawk remains a vital and highly active asset for the U.S. Air Force, performing critical secret missions. -Its primary ...

Stealth — or low-observable – technology used to be rare on aircraft, only seen on the F-117 Nighthawk and B-2 Spirit, but it's the defining feature of an entire generation of fighter jets like the ...