Submarines
By Bruce Shawkey Submarines have long fascinated me. My father-in-law was a coxswain aboard the Bonefish and had tales to tell. Subs played a major role during World War Two. Many movies have been made about subs, from the old diesel powered to the latest nuclear subs which can remained submerged indefinitely. The only reason they need to come up is to restock food for the crew. Here's a summary from Wikipedia: The history of the submarine goes back to antiquity. Humanity has employed a variety of methods to travel underwater for exploration, recreation, research and significantly, warfare. While early attempts, such as those by Alexander the Great, were rudimentary, the advent of new propulsion systems, fuels, and sonar, propelled an increase in submarine technology. The introduction of the diesel engine, then the nuclear submarine, saw great expansion in submarine use — and specifically military use — during World War I, World War II, and the Cold War. The Second World War use o...