A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...

If you were asked to name the first time a submarine was used in war, you probably wouldn’t be thinking back to redcoats and minutemen, but it did indeed happen during the Revolutionary War.

49-69 (24 pages) The Revolutionary Armed Forces of Colombia (FARC ... has brought them from depending on disposable go-fast boats to transport drugs to possessing fully submersible and reusable covert ...