HMS ''Imogen'' was a built for the
Royal Navy in the mid-1930s. During the
Spanish Civil War of 1936–1939, the ship enforced the arms blockade imposed by Britain and France on both sides as part of the
Mediterranean Fleet
The British Mediterranean Fleet, also known as the Mediterranean Station, was a formation of the Royal Navy. The Fleet was one of the most prestigious commands in the navy for the majority of its history, defending the vital sea link between t ...
. After the start of the Second World War the ship was transferred to
Home Fleet
The Home Fleet was a fleet of the Royal Navy that operated from the United Kingdom's territorial waters from 1902 with intervals until 1967. In 1967, it was merged with the Mediterranean Fleet creating the new Western Fleet.
Before the First ...
and participated in the
Norwegian Campaign in April 1940. ''Imogen'' sank two German submarines before her own sinking following an accidental collision in July 1940.
Description
The I-class ships were improved versions of the preceding
H-class. They displaced at
standard load and at
deep load. The ships had an
overall length of , a
beam of and a
draught of . They were powered by two
Parsons
Parsons may refer to:
Places
In the United States:
* Parsons, Kansas, a city
* Parsons, Missouri, an unincorporated community
* Parsons, Tennessee, a city
* Parsons, West Virginia, a town
* Camp Parsons, a Boy Scout camp in the state of Washingto ...
geared
steam turbine
A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...
s, each driving one
propeller shaft, using steam provided by three
Admiralty three-drum boiler
Three-drum boilers are a class of water-tube boiler used to generate steam, typically to power ships. They are compact and of high evaporative power, factors that encourage this use. Other boiler designs may be more efficient, although bulkier, an ...
s. The turbines developed a total of and were intended to give a maximum speed of .
[ ''Imogen'' only reached a speed of from during her sea trials. The ships carried enough ]fuel oil
Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...
to give them a range of at . Their crew numbered 145 officers and ratings.[Lenton, p. 161]
The ships mounted four 4.7-inch (120 mm) Mark IX guns in single mounts, designated 'A', 'B', 'X' and 'Y' from bow to stern
The stern is the back or aft-most part of a ship or boat, technically defined as the area built up over the sternpost, extending upwards from the counter rail to the taffrail. The stern lies opposite the bow, the foremost part of a ship. Ori ...
. For anti-aircraft
Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...
(AA) defence, they had two quadruple mounts for the 0.5 inch Vickers Mark III machine gun. The I class was fitted with two above-water quintuple torpedo tube mounts amidships for torpedoes. One depth charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth ...
rack and two throwers were fitted; 16 depth charges were originally carried,[ but this increased to 35 shortly after the war began. The I-class ships were fitted with the ASDIC sound detection system to locate submarines underwater.
]
Construction
The ship was ordered on 30 October 1935 from Hawthorn Leslie at Hebburn under the 1935 Naval Programme. She was laid down on 18 January 1936, launched on 30 December 1936,[ as the seventh Royal Navy ship to carry this name, and completed on 2 June 1937, at a contract price of £256,917, excluding items supplied by Admiralty such as armaments and communications equipment.][English, pp. 114–15]
Career
''Imogen'' was assigned to the 3rd Destroyer Flotilla
The British 3rd Destroyer Flotilla, also styled as Third Destroyer Flotilla, was a naval formation of the Royal Navy from 1909 to 1939 and again from 1945 to 1951.
History
In 1907 the Channel Fleet had a large Channel Flotilla of destroyers in Fe ...
of the Mediterranean Fleet upon commissioning and was initially based in Malta. Transferred to Gibraltar, she patrolled Spanish waters enforcing the policies of the Non-Intervention Committee during 1938. The ship was given a brief refit in Malta from 17 October–28 November 1938 and another at Sheerness Dockyard in August 1939.[English, p. 120]
At the beginning of the Second World War ''Imogen'' returned to the Mediterranean on 3 September, but she was transferred to the Western Approaches Command for convoy escort duties two days later when Italy did not enter the war.
Together with the entire 3rd Destroyer Flotilla, the ship was transferred to the Home Fleet in October.
* With her sister ship
A sister ship is a ship of the same class or of virtually identical design to another ship. Such vessels share a nearly identical hull and superstructure layout, similar size, and roughly comparable features and equipment. They often share a ...
, she sank the on 13 October after the submarine attempted to sink the freighter .
* Whilst escorting merchant ships to Barry, ''Imogen'' rescued survivors from the ships ''Louisiane'' and ''Bretagne''.
* She was refitted at Liverpool between 20 October and 7 November 1939 and then rejoined Home Fleet.
* The following month, the ship came to the aid of the torpedoed battleship
A battleship is a large armored warship with a main battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries.
The term ''battleship'' came into use in the late 1880s to describe a type of ...
off the Butt of Lewis on 28 December.[
* With her sister and the destroyer , ''Imogen'' sank after it had been spotted by the British submarine on 25 February 1940.
* During the Norwegian Campaign, the ship searched unsuccessfully for German ships, escorted ships of Home Fleet and troopships carrying Norwegian Army units from ]Kirkenes
Kirkenes (; ; Skolt Sami: ''Ǩeârkknjargg;'' fi, Kirkkoniemi; ; russian: Киркенес) is a List of towns and cities in Norway, town in Sør-Varanger Municipality in Troms og Finnmark county, in the far northeastern part of Norway. The town ...
and Alta
Alta or ALTA may refer to:
Acronyms
* Alt-A, short for Alternative A-paper, is a type of U.S. mortgage
* American Land Title Association, a national trade association representing the land title industry
* American Literary Translators Associatio ...
to Sjøvegan in mid-April.[Haarr, pp. 106, 140–41, 211–12]
* In mid-June, she escorted the aircraft carrier
An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...
to Bermuda to work up.
Sinking
Off Duncansby Head during the night of 16 July 1940, ''Imogen'' collided with the light cruiser in thick fog in the North Sea whilst bound for Scapa Flow
Scapa Flow viewed from its eastern end in June 2009
Scapa Flow (; ) is a body of water in the Orkney Islands, Scotland, sheltered by the islands of Mainland, Graemsay, Burray,S. C. George, ''Jutland to Junkyard'', 1973. South Ronaldsay and ...
. She was badly damaged, caught fire, and sank at position . ''Glasgow'' rescued 10 officers and 125 ratings; 19 men were killed in the collision.[
]
Notes
Bibliography
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{{DEFAULTSORT:Imogen (D44)
I-class destroyers of the Royal Navy
Ships built on the River Tyne
1936 ships
World War II destroyers of the United Kingdom
World War II shipwrecks in the North Sea
Maritime incidents in July 1940
Ships sunk in collisions