HMS Indefatigable was an Implacable-class

Implacable class aircraft carrier

The Implacable class was a class of aircraft carrier employed by the Royal Navy in the second half of Second World War. The class design was derived from the .- Design :...

 aircraft carrier

Aircraft carrier

An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

 of the British 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...

. Indefatigable was present at the formal surrender of the Japanese

Japanese Instrument of Surrender

The Japanese Instrument of Surrender was the written agreement that enabled the Surrender of Japan, marking the end of World War II. It was signed by representatives from the Empire of Japan, the United States of America, the Republic of China, the United Kingdom, the Union of Soviet Socialist...

 on 2 September in Tokyo Bay

Tokyo Bay

is a bay in the southern Kantō region of Japan. Its old name was .-Geography:Tokyo Bay is surrounded by the Bōsō Peninsula to the east and the Miura Peninsula to the west. In a narrow sense, Tokyo Bay is the area north of the straight line formed by the on the Miura Peninsula on one end and on...

. She later helped to repatriate Allied POWs held in Japan and was used as a spotting ship for later US nuclear tests in the Pacific ocean. Indefatigable was scrapped in 1956.
Built at the famous John Brown Yard on the Clyde

River Clyde

The River Clyde is a major river in Scotland. It is the ninth longest river in the United Kingdom, and the third longest in Scotland. Flowing through the major city of Glasgow, it was an important river for shipbuilding and trade in the British Empire....

, at Clydebank

Clydebank

Clydebank is a town in West Dunbartonshire, in the Central Lowlands of Scotland. Situated on the north bank of the River Clyde, Clydebank borders Dumbarton, the town with which it was combined to form West Dunbartonshire, as well as the town of Milngavie in East Dunbartonshire, and the Yoker and...

, Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, Indefatigable was laid down on 3 November 1939 and launched on 8 December 1942.