Video appears to capture first flight of the B-21 Raider, the US Air Force's newest stealth bomber

• A new video shows the first flight of the US Air Force's newest stealth bomber, the B-21 Raider.
• A US Air Force spokesperson confirmed the testing of the B-21, which is the US' first new bomber in decades.
• The aircraft's developer previously praised its next-gen stealth tech, long range, and payload flexibility.

A new video appears to show the long-awaited first flight of the US Air Force's newest strategic bomber and the first new stealth bomber developed in decades, the B-21 Raider.