The Submarine In World War I

* This document is an element in a historical series on submarine warfare. It discusses submarine combat in the First World War, and submarine development in the time between the World Wars.

[1.0] The First Battle Of The Atlantic

• [1.1] U-BOAT AT WAR
  
• [1.2] UNRESTRICTED SUBMARINE WARFARE / THE LUSITANIA
  
• [1.3] THE Q-SHIPS
  
• [1.4] U-BOATS IN THE MEDITERRANEAN / THE MERCANTILE SUBMARINES
  
• [1.5] UNRESTRICTED SUBMARINE WARFARE RESUMED
  
• [1.6] AMERICA IN THE WAR / THE CONVOY SYSTEM
  
• [1.7] LAST GASP OF THE U-BOATS
  

[2.0] Allied Submarines In WWI / Postwar Developments

• [2.1] ALLIED SUBMARINES IN WORLD WAR I
  
• [2.2] SUBMARINES BETWEEN THE WARS
  
• [2.3] ASDIC
  
• [2.4] THE REVIVAL OF THE U-BOAT
  
• [2.5] COMMENTS, SOURCES, & REVISION HISTORY