Two ships of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 have borne the name HMS Pathfinder.
, launched in 1904, was a light cruiser

Light cruiser

A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...

, the lead ship

Lead ship

The lead ship or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable military ships and larger civilian craft.-Overview:...

 of her class

Pathfinder class cruiser

The Pathfinder class was a two ship class of scout cruiser serving with the Royal Navy in World War I, and consisting of the ships HMS Pathfinder and HMS Patrol....

. She was sunk at the start of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 by U-21

SM U-21 (Germany)

SM U-21 was one of the most famous U-boats to serve in the Imperial German Navy in World War I. She was the first submarine to sink a ship with a self-propelled torpedo. She also sank the British battleships HMS Triumph and HMS Majestic...

, becoming the first ship to ever be sunk by a torpedo

Torpedo

The modern torpedo is a self-propelled missile weapon with an explosive warhead, launched above or below the water surface, propelled underwater towards a target, and designed to detonate either on contact with it or in proximity to it.The term torpedo was originally employed for...

 fired by submarine

Submarine

A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

., launched in 1941, was a P-class

O and P class destroyer

The O and P class was a class of destroyers of the British Royal Navy. Ordered in 1939, they were the first ships in the War Emergency Programme, also known as the 1st and 2nd Emergency Flotilla, respectively...

 destroyer

Destroyer

In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

. She served in World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, sank the German submarines U-162

German submarine U-162 (1941)

German submarine U-162 was a Type IXC U-boat of the German Kriegsmarine during World War II.U-162 was ordered on 25 September 1939 and was laid down on 19 April 1940 at Deutsche Schiff- und Maschinenbau AG, at Seebeck Yard in Bremerhaven, Germany, as "werk 701"...

 and U-203

German submarine U-203

German submarine U-203 was a German Type VIIC submarine U-boat built for the German Kriegsmarine for service during World War II. Built as werk 632 of Friedrich Krupp Germaniawerft AG in Kiel, U-203 served in eleven patrols with the first flotilla and is credited with sinking 21 ships for 94,270...

, and was rendered a constructive loss by air attack off Ramree Island

Ramree Island

Ramree Island is an island off the coast of Rakhine State, Burma. The area of the island is about 1350 km². The Battle of Ramree Island took place here for six weeks during January and February 1945, as part of the British Fourteenth Army 1944/45 offensive on the Southern Front of the Burma...

, Burma on February 11, 1945, she was finally broken up at Milford Haven in November 1948.