Torpedo Boat

 is a generic naval unit available in the Industrial Era after researching the Combustion Engine technology.
 * Description
 * Small, nimble vessels originally equipped with explosive spar torpedoes, later designs utilize self-propelled torpedoes, and can devastate cumbersome fleets.

Class and Specialty

 * Strong against ranged attacks.
 * Strong against ranged attacks.

Unique replacements
These units are replacing this unit if the corresponding culture has chosen.
 * Uboat (Germans)

Upgrades from
Upgrade cost and needs,  access on empire.
 * Privateers (generic)