| ID: | 8570 |
|---|---|
| Entry Text: | Gannon, Michael. Black May 1943: The Dramatic Story behind the Climatic Allied Victory over German U-Boats in the North Atlantic. New York: HarperCollins; London: Aurum, 1998, xxviii, 480 pp. Innovations in ASW weapons & tactics; turning point: Convoy ONS.5: 46 ships, 9 escorts vs 41 U-Boats. |