America's B-2 Stealth Bomber Is Unlike Any Military Aircraft In The World

The B-2 Spirit stealth bomber is one of the US military's most formidable weapons. The Air Force just announced that Northrop Grumman, which designed and built the B-2, will create a successor to the Spirit called the B-21. Take a look at the history of the B-2, which has been ruling the skies since 1989.