HMS Rapid was an R-class

Q and R class destroyer

The Q and R class was a class of sixteen War Emergency Programme destroyers ordered for the British Royal Navy in 1940 as the 3rd and 4th Emergency Flotilla. They served as convoy escorts during World War II. Three Q class ships were transferred to the Royal Australian Navy upon completion, with...

 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...

 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...

 that saw service during the Second World War

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...

. She was part of Force 68, serving in the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

, and later the Pacific. In one operation she was damaged by fire from a shore battery, with 11 killed and 23 wounded. She was towed to Akyab

Sittwe

-Economy:In February 2007, India announced a plan to develop the port, which would enable ocean access from Indian Northeastern states, so called "Seven sisters", like Mizoram, via the Kaladan River....

 for repairs. She was later converted into a Type 15

Type 15 frigate

The Type 15 frigate was a class of British anti-submarine frigates of the Royal Navy. They were conversions based on the hulls of World War II-era destroyers built to the standard War Emergency Programme "utility" design.-History:...

 fast anti-submarine

Anti-submarine warfare

Anti-submarine warfare is a branch of naval warfare that uses surface warships, aircraft, or other submarines to find, track and deter, damage or destroy enemy submarines....

 frigate

Frigate

A frigate is any of several types of warship, the term having been used for ships of various sizes and roles over the last few centuries.In the 17th century, the term was used for any warship built for speed and maneuverability, the description often used being "frigate-built"...

, with the new pennant number

Pennant number

In the modern Royal Navy, and other navies of Europe and the Commonwealth, ships are identified by pennant numbers...

 F138.

Training ship

In 1966, Rapid was allocated to HMS Caledonia

HMS Caledonia

Five ships and three shore establishments of the Royal Navy have borne the name HMS Caledonia after the Latin name for Scotland:Ships was a 3-gun brig launched in 1807. She was captured by the Americans in 1812, and burnt several days later. was a 120-gun first rate ship of the line launched in 1808...

 to assist in the sea training of engine room artificers. The ship was used as a day runner from Rosyth Dockyard to give help in certificating artificers, who were under training. Rapid was replaced in this role by Eastbourne

HMS Eastbourne (F73)

HMS Eastbourne was a Whitby-class or Type 12 anti-submarine frigate of the Royal Navy of the United Kingdom.- Harbour training ship :In 1972, Eastbourne replaced as the 'afloat' training ship for the artificer apprentices at HMS Caledonia...

in 1972.