US Air Force unveils new B-21 Raider stealth bomber today. Here's what we know
The U.S. Air Force will unveil the new Northrop Grumman-built B-21 Raider stealth bomber today (Dec. 2), an aircraft that has been called "the most advanced military aircraft ever built."
TroibNews 
The U.S. Air Force will unveil the new Northrop Grumman-built B-21 Raider stealth bomber today (Dec. 2), an aircraft that has been called "the most advanced military aircraft ever built."
