Operated by a crew of up to 18, the XB-19 was so large that its massive fuselage contained two decks and it had tunnels within the wings so the flight engineer could attend to the engines in flight.
Operated by a crew of up to 18, the XB-19 was so large that its massive fuselage contained two decks and it had tunnels within the wings so the flight engineer could attend to the engines in flight.