MV Empire Day
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MV ''Empire Day'' was a
cargo ship A cargo ship or freighter is a merchant ship that carries cargo, goods, and materials from one port to another. Thousands of cargo carriers ply the world's List of seas, seas and Ocean, oceans each year, handling the bulk of international trade. ...
that was built in 1941 as a
CAM ship CAM ships were World War II–era British merchant ships used in convoys as an emergency stop-gap until sufficient escort carriers became available. ''CAM ship'' is an acronym for catapult aircraft merchant ship.Wise, pp. 70–77 They wer ...
by
William Doxford & Sons Ltd William Doxford & Sons Ltd, often referred to simply as Doxford, was a British shipbuilding and marine engineering company. History William Doxford founded the company in 1840. From 1870 it was based in Pallion, Sunderland, on the River Wear ...
,
Sunderland, Co Durham Sunderland () is a port City status in the United Kingdom, city and metropolitan borough in Tyne and Wear, England. It is a port at the mouth of the River Wear on the North Sea, approximately south-east of Newcastle upon Tyne. It is the most p ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
for the
Ministry of War Transport The Ministry of War Transport (MoWT) was a department of the British Government formed early in the Second World War to control transportation policy and resources. It was formed by merging the Ministry of Shipping and the Ministry of Transpor ...
(MoWT). In 1943, she was converted to a standard cargo ship. She served until August 1944 when she was
torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such ...
ed and sunk by .


Description

The ship was built in 1941 by
William Doxford & Sons Ltd William Doxford & Sons Ltd, often referred to simply as Doxford, was a British shipbuilding and marine engineering company. History William Doxford founded the company in 1840. From 1870 it was based in Pallion, Sunderland, on the River Wear ...
,
Sunderland, Co Durham Sunderland () is a port City status in the United Kingdom, city and metropolitan borough in Tyne and Wear, England. It is a port at the mouth of the River Wear on the North Sea, approximately south-east of Newcastle upon Tyne. It is the most p ...
. She was
yard number The yard (symbol: yd) is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches. Since 1959 it has been by international agreement standardized as exactly 0.9 ...
673. The ship was long, with a beam of . She had a depth of and a draught of . She was assessed at , . Her
deadweight tonnage Deadweight tonnage (also known as deadweight; abbreviated to DWT, D.W.T., d.w.t., or dwt) or tons deadweight (DWT) is a measure of how much weight a ship can carry. It is the sum of the weights of cargo, fuel, fresh water Fresh water or ...
(DWT) was 10,255. The ship was propelled by a 516
nominal horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are th ...
diesel engine The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...
.which had three cylinders of diameter by stroke. The engines was built by William Doxford & Sons Ltd, Sunderland.


History

''Empire Day'' was built for the MoWT as an
Empire ship An Empire ship is a merchant ship that was given a name beginning with "Empire" in the service of the Government of the United Kingdom during and after World War II. Most were used by the Ministry of War Transport (MoWT), which owned them and c ...
. Yard number 673, she was launched on 27 March 1941 and completed in July. She was initially placed under the management of Stephens Sutton Ltd. Management would later pass to Lyle Shipping Co Ltd. The United Kingdom
Official Number Official numbers are ship identifier numbers assigned to merchant ships by their flag state, country of registration. Each country developed its own official numbering system, some on a national and some on a port-by-port basis, and the formats hav ...
168914 was allocated and
Code Letters Code letters or ship's call sign (or callsign) Mtide Taurus - IMO 7626853"> SHIPSPOTTING.COM >> Mtide Taurus - IMO 7626853/ref> were a method of identifying ships before the introduction of modern navigation aids. Later, with the introduction of ...
BCMG were allocated. Her port of registry was Sunderland. Built as a
CAM ship CAM ships were World War II–era British merchant ships used in convoys as an emergency stop-gap until sufficient escort carriers became available. ''CAM ship'' is an acronym for catapult aircraft merchant ship.Wise, pp. 70–77 They wer ...
, ''Empire Day'' could embark and operate a
Hawker Sea Hurricane The Hawker Hurricane was a British single-seat fighter aircraft designed and predominantly built by Hawker Aircraft. Some models were built in Canada by Canadian Car and Foundry. British variants Hurricane Mk I Hurricane Mk I (Early producti ...
aircraft. The ship was armed with one gun, one
12-pounder gun 12-pounder gun or 12-pdr, usually denotes a gun which fired a projectile of approximately 12 pounds. Guns of this type include: * 12-pounder long gun, the naval muzzle-loader of the Age of Sail * Canon de 12 de Vallière, French cannon of 1732 * C ...
and two guns. ''Empire Day'' sailed from
Sunderland Sunderland () is a port City status in the United Kingdom, city and metropolitan borough in Tyne and Wear, England. It is a port at the mouth of the River Wear on the North Sea, approximately south-east of Newcastle upon Tyne. It is the most p ...
to the
Tyne Tyne may refer to: __NOTOC__ Geography *River Tyne, England *Port of Tyne, the commercial docks in and around the River Tyne in Tyne and Wear, England * River Tyne, Scotland *River Tyne, a tributary of the South Esk River, Tasmania, Australia Peopl ...
on 21 July 1941. Five days later, she joined Convoy EC 50, which had departed from
Southend Southend-on-Sea (), commonly referred to as Southend (), is a coastal city and unitary authorities of England, unitary authority area with Borough status in the United Kingdom, borough status in south-eastern Essex, England. It lies on the nor ...
,
Essex Essex ( ) is a Ceremonial counties of England, ceremonial county in the East of England, and one of the home counties. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the ...
on 25 July and arrived at the Clyde on 28 July. ''Empire Day'' lost her anchor and chain, and did not arrive until 30 July. She departed the Clyde on 4 August and sailed to
Belfast Belfast (, , , ; from ) is the capital city and principal port of Northern Ireland, standing on the banks of the River Lagan and connected to the open sea through Belfast Lough and the North Channel (Great Britain and Ireland), North Channel ...
,
County Antrim County Antrim (named after the town of Antrim, County Antrim, Antrim, ) is one of the six counties of Northern Ireland, located within the historic Provinces of Ireland, province of Ulster. Adjoined to the north-east shore of Lough Neagh, the c ...
. On 12 August, she departed from
Belfast Lough Belfast Lough () is a large sea inlet on the east coast of Northern Ireland. At its head is the city and port of Belfast, which sits at the mouth of the River Lagan. The lough opens into the North Channel and connects Belfast to the Irish ...
to join Convoy ON 6, which had departed from
Liverpool Liverpool is a port City status in the United Kingdom, city and metropolitan borough in Merseyside, England. It is situated on the eastern side of the River Mersey, Mersey Estuary, near the Irish Sea, north-west of London. With a population ...
,
Lancashire Lancashire ( , ; abbreviated ''Lancs'') is a ceremonial county in North West England. It is bordered by Cumbria to the north, North Yorkshire and West Yorkshire to the east, Greater Manchester and Merseyside to the south, and the Irish Sea to ...
the previous day and dispersed at sea on 11 August. Her destination was
Halifax, Nova Scotia Halifax is the capital and most populous municipality of the Provinces and territories of Canada, Canadian province of Nova Scotia, and the most populous municipality in Atlantic Canada. As of 2024, it is estimated that the population of the H ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
, where she arrived on 26 August. Loaded with a cargo of
grain A grain is a small, hard, dry fruit (caryopsis) – with or without an attached husk, hull layer – harvested for human or animal consumption. A grain crop is a grain-producing plant. The two main types of commercial grain crops are cereals and ...
, she departed Halifax on 4 September as a member of Convoy HX 148, which arrived at Liverpool on 17 September. ''Empire Day'' departed from Liverpool on 28 September as a member of Convoy ON 21, which dispersed at sea () on 14 October. Her destination was Halifax, where she arrived on 16 October. A cargo of grain was loaded and she departed from Halifax on 22 October as a member of Convoy HX 156, which arrived at Liverpool on 5 November. She departed from Liverpool in ballast on 13 November as a member of Convoy ON 36, which dispersed at sea () on 25 November. Her destination was Halifax, where she arrived on 28 November. Loaded with grain, she departed Halifax on 8 December as a member of Convoy HX 164, which arrived at Liverpool on 23 December. ''Empire Day'' departed from Liverpool on 23 January 1942 as a member of Convoy ON 59, which dispersed at sea () on 6 February. She was carrying the convoy's vice-commodore. Her destination was Halifax, where she arrived the next day. Laden with grain, she returned with Convoy SC 70, departing on 15 February and arriving at Liverpool on 7 March. ''Empire Day'' was carrying the convoy's commodore. She departed from Liverpool on 17 March as a member of Convoy ON 77, which dispersed at sea () on 28 March. Her destination was Halifax, arriving the next day. She returned with a cargo of grain as a member of Convoy HX 184, which departed on 8 April and arrived at Liverpool on 20 April. ''Empire Day'' was noted as carrying her
Hurricane A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its ...
, she was first CAM ship to leave Halifax carrying her aircraft for many weeks. ''Empire Day'' departed from Liverpool on 22 May as a member of Convoy ON 97, which arrived at Halifax on 5 June. Laden with grain, she departed from Halifax on 14 June as a member of Convoy HX 194, which arrived at Liverpool on 26 June. She left the convoy at the Belfast Lough on 25 June, to join Convoy BB 191, which departed the next day and arrived at
Avonmouth Avonmouth ( ) is a port and outer suburb of Bristol, England, on the north bank of the mouth of the River Avon and the eastern shore of the Severn Estuary. Part of the Port of Bristol, Avonmouth Docks is important to the region's maritime eco ...
,
Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...
on 27 June. ''Empire Day'' departed from Avonmouth on 6 July and arrived at the Belfast Lough two days later. On 10 July, she joined Convoy ON 111, which had departed from Liverpool that day and dispersed at sea ( on 24 July. Her destination was Halifax, where she was to disembark her Hurricane. She arrived that day, and departed the next day for
New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
, where she arrived on 27 July. ''Empire Day'' departed from New York on 16 August for
Cape Cod Bay Cape Cod Bay is a large bay of the Atlantic Ocean adjacent to the U.S. state of Massachusetts. Measuring below a line drawn from Brant Rock in Marshfield to Race Point in Provincetown, Massachusetts, it is enclosed by Cape Cod to the south ...
,
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
, from where she departed on 19 August as a member of Convoy BX 34, which arrived at Halifax on 22 August. Carrying general cargo and
steel Steel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to steel's high Young's modulus, elastic modulus, Yield (engineering), yield strength, Fracture, fracture strength a ...
, she departed from Halifax the next day as a member of Convoy HX 204, which arrived at Liverpool on 4 September. ''Empire Day'' departed from Liverpool on 22 October to join Convoy KMS 1G, which departed from the Clyde that day and arrived at
Algiers Algiers is the capital city of Algeria as well as the capital of the Algiers Province; it extends over many Communes of Algeria, communes without having its own separate governing body. With 2,988,145 residents in 2008Census 14 April 2008: Offi ...
,
Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...
on 8 November. She then sailed to
Gibraltar Gibraltar ( , ) is a British Overseas Territories, British Overseas Territory and British overseas cities, city located at the southern tip of the Iberian Peninsula, on the Bay of Gibraltar, near the exit of the Mediterranean Sea into the A ...
, from where she sailed on 24 November to join Convoy MKS 2, which had departed from Algiers on 21 November and arrived at Liverpool on 3 December. ''Empire Day'' departed from Liverpool on 31 December for the Clyde, arriving the next day. She departed the Clyde on 7 January 1943 as a member of Convoy KMS 7G, which arrived at Algiers on 21 January. She left the convoy at Gibraltar on 18 January. On 26 January, she joined Convoy TE 14, which arrived at
Bône Annaba (), formerly known as Bon, Bona and Bône, is a seaport city in the northeastern corner of Algeria, close to the border with Tunisia. Annaba is near the small Seybouse River and is in the Annaba Province. With a population of about 263,65 ...
, Algeria on 30 January. She left the convoy at Algiers on 29 January, departing on 11 February to join Convoy ET 11, which had departed from
Bône Annaba (), formerly known as Bon, Bona and Bône, is a seaport city in the northeastern corner of Algeria, close to the border with Tunisia. Annaba is near the small Seybouse River and is in the Annaba Province. With a population of about 263,65 ...
on 9 February and arrived at Gibraltar on 13 February. She departed Gibraltar on 22 February to join Convoy MKS 8, which had departed from Bône on 17 February and arrived at Liverpool on 1 March. She left the convoy in home waters, sailing to Newport,
Monmouthshire Monmouthshire ( ; ) is a Principal areas of Wales, county in the South East Wales, south east of Wales. It borders Powys to the north; the English counties of Herefordshire and Gloucestershire to the north and east; the Severn Estuary to the s ...
where she arrived on 1 March. Loaded with a cargo of coal, ''Empire Day'' departed from Newport on 11 March for Milford Haven, arriving the next day and departing the day after that to join Convoy ON 173, which departed from Liverpool on 13 March and arrived at Halifax on 29 March. On 24 March, ''Empire Day'' was straggling behind the convoy. Laden with grain, she departed from Halifax on 14 April to join Convoy HX 234, which had departed from New York and arrived at Liverpool on 29 April She left the convoy at the Clyde on 28 April. ''Empire Day'' departed from the Clyde on 5 June for Milford Haven, arriving the next day and departing the day after that as a member of Convoy WP 351, which arrived at
Portsmouth Portsmouth ( ) is a port city status in the United Kingdom, city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in En ...
on 9 June. She was the only merchant ship in the convoy, and was escorted by , , and . She left the convoy at
Falmouth, Cornwall Falmouth ( ; ) is a town, civil parish and port on the River Fal on the south coast of Cornwall, England, United Kingdom. Falmouth was founded in 1613 by the Killigrew family on a site near the existing Pendennis Castle. It developed as a po ...
on 8 June. ''Empire Day'' departed from Falmouth on 18 June and sailed to Gibraltar, arriving on 24 June. She then formed Convoy TE 23, of which she was the only ship. She arrived at Algiers on 26 June, departing on 11 July to join Convoy ET 22, which departed from Bône on 12 July and arrived at Gibraltar the next day. She departed from Gibraltar on 22 July to join Convoy GUS 10, which had departed from
Bizerta Bizerte (, ) is the capital and largest city of Bizerte Governorate in northern Tunisia. It is the northernmost city in Africa, located north of the capital Tunis. It is also known as the last town to remain under French control after the re ...
, Algeria on 18 July and arrived at the
Hampton Roads Hampton Roads is a body of water in the United States that serves as a wide channel for the James River, James, Nansemond River, Nansemond, and Elizabeth River (Virginia), Elizabeth rivers between Old Point Comfort and Sewell's Point near whe ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
, United States on 9 August. ''Empire Day'' departed sailed on to New York, from where she departed on 2 September for the Hampton Roads, where she joined Convoy UGS 17, which departed on 3 September and arrived at
Port Said Port Said ( , , ) is a port city that lies in the northeast Egypt extending about along the coast of the Mediterranean Sea, straddling the west bank of the northern mouth of the Suez Canal. The city is the capital city, capital of the Port S ...
,
Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...
on 3 October. She left the convoy at Algiers, where she arrived on 25 September. She departed from Algiers on 16 November to join Convoy GUS 21, which had departed from Port Said on 7 November and arrived at the Hampton Roads on 5 December. Her destination was New York. ''Empire Day'' departed from New York on 2 January 1944 for the Hampton Roads, where she joined Convoy UGS 29, which arrived at Port Said on 31 January. She then sailed to
Suez Suez (, , , ) is a Port#Seaport, seaport city with a population of about 800,000 in north-eastern Egypt, located on the north coast of the Gulf of Suez on the Red Sea, near the southern terminus of the Suez Canal. It is the capital and largest c ...
and
Aden Aden () is a port city located in Yemen in the southern part of the Arabian peninsula, on the north coast of the Gulf of Aden, positioned near the eastern approach to the Red Sea. It is situated approximately 170 km (110 mi) east of ...
, arriving there on 7 February. She then joined Convoy AB 30, which departed that day and arrived at
Bombay Mumbai ( ; ), also known as Bombay ( ; its official name until 1995), is the capital city of the Indian States and union territories of India, state of Maharashtra. Mumbai is the financial centre, financial capital and the list of cities i ...
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
on 15 February. She departed from Bombay on 4 March as a member of Convoy BM 88, which arrived at
Madras Chennai, also known as Madras ( its official name until 1996), is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. According to the 2011 Indian ce ...
, India on 10 March. She left the convoy at
Colombo Colombo, ( ; , ; , ), is the executive and judicial capital and largest city of Sri Lanka by population. The Colombo metropolitan area is estimated to have a population of 5.6 million, and 752,993 within the municipal limits. It is the ...
,
Ceylon Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
on 9 March. She departed from Colombo on 25 March with Convoy JC 42, arriving at
Calcutta Kolkata, also known as Calcutta (List of renamed places in India#West Bengal, its official name until 2001), is the capital and largest city of the Indian States and union territories of India, state of West Bengal. It lies on the eastern ba ...
, India on 1 April and returning with Convoy CJ 24, which departed on 15 April and arrived at Colombo on 22 April. Two days later, she departed for
Lourenço Marques Maputo () is the Capital city, capital and largest city of Mozambique. Located near the southern end of the country, it is within of the borders with Eswatini and South Africa. The city has a population of 1,088,449 (as of 2017) distributed ov ...
,
Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...
, where she arrived on 8 May. ''Empire Day'' departed from Lourenço Marques on 21 May for
Durban Durban ( ; , from meaning "bay, lagoon") is the third-most populous city in South Africa, after Johannesburg and Cape Town, and the largest city in the Provinces of South Africa, province of KwaZulu-Natal. Situated on the east coast of South ...
,
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
, where she arrived the next day. She departed three days later as a member of Convoy DKA 18, which arrived at
Kilindini Harbour Kilindini Harbour is a large, natural deep-water inlet extending inland from Mombasa, Kenya. It is at its deepest center, although the controlling depth is the outer channel in the port approaches with a dredged depth of . It serves as the harbo ...
,
Kenya Kenya, officially the Republic of Kenya, is a country located in East Africa. With an estimated population of more than 52.4 million as of mid-2024, Kenya is the 27th-most-populous country in the world and the 7th most populous in Africa. ...
on 3 June. She departed from Kilindini Harbour on 15 June with Convoy KD 5, which arrived at Durban on 24 June. She left the convoy at Lourenço Marques on 23 June. Carrying a cargo of coal bound for Adem and Port Said, she departed from Lourenço Marques on 31 July as a member of Convoy DK 21A, which dispersed off
Beira, Mozambique Beira () is the capital and largest List of cities in Mozambique, city of Sofala Province, in the central region of Mozambique. Beira is where the Pungwe River meets the Indian Ocean. It is the fourth-largest city by population in Mozambique, af ...
on 2 August. On 7 August 1944, ''Empire Day'' was
torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such ...
ed and sunk by some east of
Dar es Salaam Dar es Salaam (, ; from ) is the largest city and financial hub of Tanzania. It is also the capital of the Dar es Salaam Region. With a population of over 7 million people, Dar es Salaam is the largest city in East Africa by population and the ...
, Tanganyika (). All 34 crew and eight DEMS gunners survived. Her chief officer was taken prisoner by ''U-198''. He was killed when ''U-198'' was sunk by and off the
Seychelles Seychelles (, ; ), officially the Republic of Seychelles (; Seychellois Creole: ), is an island country and archipelagic state consisting of 155 islands (as per the Constitution) in the Indian Ocean. Its capital and largest city, Victoria, ...
on 12 August. He is commemorated on the
Tower Hill Memorial The Tower Hill Memorial is a pair of Commonwealth War Graves Commission memorials in Trinity Square Gardens, on Tower Hill in London, England. The memorials, one for the First World War and one for the Second, commemorate civilian, merchant seaf ...
. The survivors from ''Empire Day'' landed on
Zanzibar Zanzibar is a Tanzanian archipelago off the coast of East Africa. It is located in the Indian Ocean, and consists of many small Island, islands and two large ones: Unguja (the main island, referred to informally as Zanzibar) and Pemba Island. ...
island, which they reached on 11 August and the sinking of ''Empire Day'' was then reported. Her loss had not been realised as she was unable to send out a
Mayday Mayday is an emergency procedure word used internationally as a distress signal in voice-procedure radio communications. It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organiz ...
at the time of her sinking.


References


External links


Photo of ''Empire Day''
{{DEFAULTSORT:Empire Day 1941 ships Ships built on the River Tees Empire ships Ministry of War Transport ships Merchant ships of the United Kingdom CAM ships Maritime incidents in August 1944 Ships sunk by German submarines in World War II World War II shipwrecks in the Indian Ocean