20 hours The Most Important Submarines In History24/7 Wall St.

Submarines have been a part of naval warfare since the 18th century. The earliest devices were dangerous to use and had limited operational success. The designs improved considerably by the 20th century, and submarines played a key role in both world wars. The actions taken by just a handful of commanders have left an outsized […]

The post The Most Important Submarines In History appeared first on 24/7 Wall St..