The U.S. Air Force has released the first-ever flight footage of the highly secretive and state-of-the-art B-21 Raider long-range stealth bomber as it recently took to the skies over Edwards Air Force Base.

The B-21 Raider strategic bomber is now flying twice a week, US Air Force officials said, a major step toward the goal of flying them daily.

Air Force leaders gave an update on the B-21 Raider, a futuristic aircraft that is expected to become the United States' next nuclear stealth bomber. The aircraft can deliver both "conventional and nuclear munitions,