The Mark 24 Tigerfish was a heavyweight acoustic homing torpedo used by the Royal Navy (RN) during the 1980s and 90s. Conceptual development dates to the mid-1950s, and formally started in 1959 with a target introduction date in 1969. A lengthy development process led to a greatly reduced performance requirement, including the removal of anti-surface capabilities. The first prototype "Tiger Fish" examples were delivered in 1967.
Tigerfish (torpedo)
There have been a number of 21-inch (53.3cm) torpedoes in service with the Royal Navy of the United Kingdom.
Mark VIII torpedoes being loaded onto the Polish Navy submarine ORP Sokół.
A Mark IX torpedo undergoing maintenance while loaded in a destroyer's triple tube mounting.