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 ...

PALMDALE, California—The U.S. Air Force and Northrop Grumman on Dec. 2 introduced to the world the next generation of stealth, a new, post-Cold War strategic bomber with a new focus on potential ...