Allies Sink A German U-Boat During World War I Ca. 1917Unknown - 1917
During World War I, Germany became the first nation to utilize submarines for large-scale warfare. These ships posed a great threat to Allied shipping until the development of anti-submarine weaponry.
Publisher: [Place of publication not identified] : , WPA Film Library, , 
Copyright Date: ©1917
Characteristics: video file,rda 1 online resource (1 video file (0 min., 25 sec.)) : sound