Despite the fact that German submarines had nearly brought Britain to her knees in World War I, the development of submarines was pursued with virtual indifference in the period between the wars except, in the case of the Japanese, for special purposes such as long-range scouting for their surface forces. From the outbreak of World War II in 193...
A German torpedo hit the RMS Lusitania on May 7, 1915. Shortly after, a substantial second explosion shook the ship. Within 20 minutes, the vessel known as the "Greyhound of the Seas" had sunk to the ocean floor, resulting in the deaths of almost 1200 individuals. A new two-step investigation...