HMS Odin (N84) was an O-class

Odin class submarine

The Odin class submarine was a class of nine submarines developed and built for the Royal Navy in the 1920s. The prototype was followed by two ships originally ordered for the Royal Australian Navy, but transferred to the RN in 1931 because of the poor economic situation in Australia, and six...

 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...

 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...

. She was laid down by HM Dockyard

Chatham Dockyard

Chatham Dockyard, located on the River Medway and of which two-thirds is in Gillingham and one third in Chatham, Kent, England, came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional...

 at Chatham in Kent

Kent

Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

 on 23 June 1927, launched on 5 May 1928 and commissioned on 21 December 1929.

She served with the 5th Flotilla at Portsmouth

Portsmouth

Portsmouth is the second largest city in the ceremonial county of Hampshire on the south coast of England. Portsmouth is notable for being the United Kingdom's only island city; it is located mainly on Portsea Island...

 in 1929-1930, with the 4th Flotilla at Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 from 1930-1939, with the 8th Flotilla at Colombo

Colombo

Colombo is the largest city of Sri Lanka. It is located on the west coast of the island and adjacent to Sri Jayawardenapura Kotte, the capital of Sri Lanka. Colombo is often referred to as the capital of the country, since Sri Jayawardenapura Kotte is a satellite city of Colombo...

 in Ceylon in 1939-1940, and with the 1st Flotilla at Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

 in Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 in 1940.

Odin was depth charge

Depth charge

A depth charge is an anti-submarine warfare weapon intended to destroy or cripple a target submarine by the shock of exploding near it. Most use explosives and a fuze set to go off at a preselected depth in the ocean. Depth charges can be dropped by either surface ships, patrol aircraft, or from...

d and later rammed on surface by the Italian

Regia Marina

The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

 Freccia-class destroyer

Freccia class destroyer

The Freccia class destroyer was a class of destroyers built for the Regia Marina, the Italian Royal Navy, in the 1930s. It was basically an enlarged version of the earlier Turbine class destroyers...

  and the Folgore-class destroyer

Folgore class destroyer

The Folgore Class were a group of destroyers built for the Italian Navy in the 1930s. All four ships fought in World War II and were sunk. They were a modified version of the Freccia class destroyers, but had the beam reduced to try to increase speed...

  and sank in the Gulf of Taranto

Gulf of Taranto

The Gulf of Taranto is a gulf of the Ionian Sea, in southern Italy.The Gulf of Taranto is almost square, 140 km long and wide, and is delimited by the capes Santa Maria di Leuca and Colonna...

on 14 June 1940.