During WW1 the first bomber plane was ironically known as a 'Dove' – Historical articles and illustrationsHistorical articles and illustrations | Look and Learn
bomber | Definition, History, & Facts | Britannica
18 Key Bomber Aircraft From World War One | History Hit
The First Bombers - YouTube
18 Key Bomber Aircraft From World War One | History Hit
How Airplanes Were Used in World War I - HISTORY
First B-21 bomber enters ground testing, 'on track for first flight'