Original: The Northrop Grumman B-2 Spirit ( also known as the Stealth Bomber ) is an American heavy bomber with '' low observable '' stealth technology designed to penetrate dense anti-aircraft defenses and deploy both conventional and nuclear weapons .
Simplified: The first B-2 was publicly displayed on Nov. 22 , 1988 , when it was rolled out of its hangar at Air Force Plant 42 , Palmdale , Calif. .