What Happens When a $400 Million B-1B Bomber Fires Up Its Engines ?

What happens when a $400 million B-1B Lancer starts its powerful engines? Take a closer look at the incredible engine start-up of one of the U.S. Air Force’s most iconic strategic bombers. From the massive aircraft to the raw power of its engines, this video shows what happens before the B-1B takes to the sky. Source: Dvids