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SS ''Richard Montgomery'' was an American Liberty cargo ship built during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. She was named after
Richard Montgomery Richard Montgomery (2 December 1738 – 31 December 1775) was an Irish soldier who first served in the British Army. He later became a major general in the Continental Army during the American Revolutionary War, and he is most famous for l ...
, an Irish officer who fought in the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
. The ship was wrecked on the
Nore The Nore is a long bank of sand and silt running along the south-centre of the final narrowing of the Thames Estuary, England. Its south-west is the very narrow Nore Sand. Just short of the Nore's easternmost point where it fades into the cha ...
sandbank in the
Thames Estuary The Thames Estuary is where the River Thames meets the waters of the North Sea, in the south-east of Great Britain. Limits An estuary can be defined according to different criteria (e.g. tidal, geographical, navigational or in terms of salini ...
, near
Sheerness Sheerness () is a town and civil parish beside the mouth of the River Medway on the north-west corner of the Isle of Sheppey in north Kent, England. With a population of 11,938, it is the second largest town on the island after the nearby town ...
,
Kent Kent is a county in South East England and one of the home counties. It borders Greater London to the north-west, Surrey to the west and East Sussex to the south-west, and Essex to the north across the estuary of the River Thames; it faces ...
, England, in August 1944, while carrying a cargo of munitions. About of
explosive An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. An expl ...
s remaining on board presents a hazard but the likelihood of explosion is claimed to be remote.


Construction

''Richard Montgomery'' was
laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...
on 15 March 1943 under a
Maritime Commission The United States Maritime Commission (MARCOM) was an independent executive agency of the U.S. federal government that was created by the Merchant Marine Act of 1936, which was passed by Congress on June 29, 1936, and was abolished on May 24, 195 ...
(MARCOM) contract, MC hull 1199, by the
St. Johns River Shipbuilding Company The St. Johns River Shipbuilding Company was created in Jacksonville, Florida, Jacksonville, Florida during World War II to build Liberty ships. Company history The company was established by local shipbuilder and repairer Merrill-Stevens Drydock ...
,
Jacksonville Jacksonville is a city located on the Atlantic coast of northeast Florida, the most populous city proper in the state and is the List of United States cities by area, largest city by area in the contiguous United States as of 2020. It is the co ...
, Florida. She was sponsored by Mrs. Rockwell, the wife of the director of MARCOM, Production Division, and was launched on 15 June 1943. She was the seventh of the 82 liberty ships built by the yard.


Service history

She was allocated to Agwilines Inc. on 29 July 1943. In August 1944, on what was to be her final voyage, the ship left Hog Island,
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
, where she had been loaded with 6,127 tons of
munition Ammunition (informally ammo) is the material fired, scattered, dropped, or detonated from any weapon or weapon system. Ammunition is both expendable weapons (e.g., bombs, missiles, grenades, land mines) and the component parts of other weapo ...
s. She travelled from the
Delaware River The Delaware River is a major river in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. From the meeting of its branches in Hancock (village), New York, Hancock, New York, the river flows for along the borders of N ...
to the
Thames Estuary The Thames Estuary is where the River Thames meets the waters of the North Sea, in the south-east of Great Britain. Limits An estuary can be defined according to different criteria (e.g. tidal, geographical, navigational or in terms of salini ...
, then anchored while awaiting the formation of a
convoy A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used ...
to travel to
Cherbourg Cherbourg (; , , ), nrf, Chèrbourg, ) is a former commune and subprefecture located at the northern end of the Cotentin peninsula in the northwestern French department of Manche. It was merged into the commune of Cherbourg-Octeville on 28 Feb ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, which had come under
Allied An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
control on 27 July 1944, during the
Battle of Normandy Operation Overlord was the codename for the Battle of Normandy, the Allied operation that launched the successful invasion of German-occupied Western Europe during World War II. The operation was launched on 6 June 1944 (D-Day) with the Norma ...
. When ''Richard Montgomery'' arrived off
Southend Southend-on-Sea (), commonly referred to as Southend (), is a coastal city and unitary authority area with borough status in southeastern Essex, England. It lies on the north side of the Thames Estuary, east of central London. It is bordered ...
, she came under the authority of the Thames naval control at located at the end of
Southend Pier Southend Pier is a major landmark in Southend-on-Sea, Essex, United Kingdom. Extending into the Thames Estuary, it is the longest pleasure pier in the world. The bill to build the new pier, to replace a previous timber jetty, received Royal A ...
. The
harbourmaster A harbourmaster (or harbormaster, see spelling differences) is an official responsible for enforcing the regulations of a particular harbour or port, in order to ensure the safety of navigation, the security of the harbour and the correct operat ...
, responsible for all shipping movements in the
estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environment ...
, ordered the ship to a berth off the north edge of
Sheerness Sheerness () is a town and civil parish beside the mouth of the River Medway on the north-west corner of the Isle of Sheppey in north Kent, England. With a population of 11,938, it is the second largest town on the island after the nearby town ...
middle sands, an area designated as the Great Nore Anchorage. On 20 August 1944 she dragged anchor and ran aground on a sandbank around from the
Medway Medway is a unitary authority district and conurbation in Kent, South East England. It had a population of 278,016 in 2019. The unitary authority was formed in 1998 when Rochester-upon-Medway amalgamated with the Borough of Gillingham to for ...
Approach Channel, in a depth of of water. The general dry cargo liberty ship had an average draft of , but ''Richard Montgomery'' was trimmed to a draft of . As the tide went down, the ship broke her back on sand banks near the
Isle of Sheppey The Isle of Sheppey is an island off the northern coast of Kent, England, neighbouring the Thames Estuary, centred from central London. It has an area of . The island forms part of the local government district of Swale. ''Sheppey'' is derived ...
about from Sheerness and from
Southend Southend-on-Sea (), commonly referred to as Southend (), is a coastal city and unitary authority area with borough status in southeastern Essex, England. It lies on the north side of the Thames Estuary, east of central London. It is bordered ...
. A
Rochester Rochester may refer to: Places Australia * Rochester, Victoria Canada * Rochester, Alberta United Kingdom *Rochester, Kent ** City of Rochester-upon-Medway (1982–1998), district council area ** History of Rochester, Kent ** HM Prison ...
-based
stevedore A stevedore (), also called a longshoreman, a docker or a dockworker, is a waterfront manual laborer who is involved in loading and unloading ships, trucks, trains or airplanes. After the shipping container revolution of the 1960s, the number o ...
company was given the job of removing the cargo, which began on 23 August 1944, using the ship's own cargo handling equipment. By the next day, the ship's hull had cracked open, causing several cargo holds at the bow end to flood. The salvage operation continued until 25 September, when the ship was finally abandoned before all the cargo had been recovered. Subsequently the vessel broke into two separate parts, roughly amidships. During the enquiry following the shipwreck it was revealed that several ships moored nearby had noticed ''Richard Montgomery'' drifting towards the sandbank. They had attempted to signal an alert by sounding their sirens, but without avail because Captain Wilkie of ''Richard Montgomery'' was asleep. The ship's chief officer was unable to explain why he had not alerted the captain. A board of inquiry concluded that the anchorage the harbour master assigned had placed the ship in jeopardy, and returned the captain of ''Richard Montgomery'' to full duty within a week.


Status and risk

According to a 2008 survey, the wreck is at a depth of , on average, and leaning to starboard. At all states of the tide, her three masts are visible above the water. Links to background information and surveys. Updated when necessary. Because of the presence of the large quantity of unexploded ordnance, the ship is monitored by the
Maritime and Coastguard Agency The Maritime and Coastguard Agency (MCA) is an executive agency of the United Kingdom that responsible for implementing British and international maritime law and safety policy. It works to prevent the loss of lives at sea and to prevent marine ...
and is clearly marked on the relevant Admiralty charts. In 1973, she became the first wreck designated as dangerous under section 2 of the
Protection of Wrecks Act 1973 The Protection of Wrecks Act 1973 (c. 33) is an Act of the Parliament of the United Kingdom which provides protection for designated shipwrecks. Section 1 of the act provides for wrecks to be designated because of historical, archaeological or ...
. There is an
exclusion zone An exclusion zone is a territorial division established for various, case-specific purposes. Per the United States Department of Defense, an exclusion zone is a territory where an authority prohibits specific activities in a specific geographic ...
around her monitored visually and by
radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
. The exclusion zone around the wreck is defined by the following co-ordinates: * * * * According to a survey conducted in 2000 by the Maritime and Coastguard Agency, the wreck still held munitions containing approximately of
TNT Trinitrotoluene (), more commonly known as TNT, more specifically 2,4,6-trinitrotoluene, and by its preferred IUPAC name 2-methyl-1,3,5-trinitrobenzene, is a chemical compound with the formula C6H2(NO2)3CH3. TNT is occasionally used as a reagen ...
high explosive. This comprises the following items of ordnance: * 286 × high explosive bombs * 4,439 × bombs of various types * 1,925 × bombs * 2,815 fragmentation bombs and bomb clusters * Various
explosive booster {{unreferenced, date=August 2011 An explosive booster is a sensitive explosive charge that acts as a bridge between a (relatively weak) conventional detonator and a low-sensitivity (but typically high-energy) explosive such as TNT. By itself, the i ...
charges * Various
smoke bomb A smoke bomb is a firework designed to produce a large amount of smoke upon ignition. History Early Japanese history saw the use of a rudimentary form of the smoke bomb. Explosives were common in Japan during the Mongol invasions of the 13th ...
s, including
white phosphorus Elemental phosphorus can exist in several allotropes, the most common of which are white and red solids. Solid violet and black allotropes are also known. Gaseous phosphorus exists as diphosphorus and atomic phosphorus. White phosphorus White ...
bombs * Various
pyrotechnic Pyrotechnics is the science and craft of creating such things as fireworks, safety matches, oxygen candles, explosive bolts and other fasteners, parts of automotive airbags, as well as gas-pressure blasting in mining, quarrying, and demolition. ...
signals An investigation by ''
New Scientist ''New Scientist'' is a magazine covering all aspects of science and technology. Based in London, it publishes weekly English-language editions in the United Kingdom, the United States and Australia. An editorially separate organisation publishe ...
'' magazine in 2004, based partly on government documents released in 2004, concluded that the cargo was still deadly, and could be detonated by a collision, an attack, or even shifting of the cargo in the tide. The deterioration of the bombs is so severe that they could explode spontaneously. Documents
declassified Declassification is the process of ceasing a protective classification, often under the principle of freedom of information. Procedures for declassification vary by country. Papers may be withheld without being classified as secret, and event ...
shortly before revealed that the wreck was not dealt with immediately after it happened, or in the intervening 60 years, due to the expense. The Maritime and Coastguard Agency nevertheless believes that the risk of a major explosion is remote. The UK government's
Receiver of Wreck The Receiver of Wreck is an official who administers law dealing with maritime wrecks and salvage in some countries having a British administrative heritage. In the United Kingdom, the Receiver of Wreck is also appointed to retain the possession o ...
commissioned a risk assessment in 1999, but this risk assessment has not been published. The Maritime and Coastguard Agency convened with local and port authorities to discuss the report in 2001 and concluded that "doing nothing asnot an option for much longer". One of the reasons that the explosives have not been removed was the unfortunate outcome of a similar operation in July 1967, to neutralize the contents of the
Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...
cargo ship , that sank in 1946, off
Folkestone Folkestone ( ) is a port town on the English Channel, in Kent, south-east England. The town lies on the southern edge of the North Downs at a valley between two cliffs. It was an important harbour and shipping port for most of the 19th and 20t ...
in the
English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...
. During preliminary work, ''Kielce'' exploded with a force equivalent to an
earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, from ...
measuring 4.5 on the
Richter scale The Richter scale —also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale—is a measure of the strength of earthquakes, developed by Charles Francis Richter and presented in his landmark 1935 ...
, digging a 20-foot-deep (6 m) crater in the
seabed The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as 'seabeds'. The structure of the seabed of the global ocean is governed by plate tectonics. Most of ...
and bringing "panic and chaos" to Folkestone, although there were no injuries. ''Kielce'' was at least from land, sunk in deeper water than ''Richard Montgomery'', and had "just a fraction" of the load of explosives. According to a
BBC News BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs in the UK and around the world. The department is the world's largest broadca ...
report in 1970, it was determined that if the wreck of ''Richard Montgomery'' exploded, it would throw a 300 metre (1,000 feet)-wide column of water and debris nearly 3,000 metres (10,000 feet) into the air and generate a wave 5 metres (16 feet) high. Almost every window in
Sheerness Sheerness () is a town and civil parish beside the mouth of the River Medway on the north-west corner of the Isle of Sheppey in north Kent, England. With a population of 11,938, it is the second largest town on the island after the nearby town ...
(population circa 20,000) would be broken and buildings would be damaged by the blast. However, news reports in May 2012, including one by
BBC Kent BBC Radio Kent is the BBC's local radio station serving the county of Kent. It broadcasts on FM, DAB, digital TV and via BBC Sounds from studios at The Great Hall in Tunbridge Wells. According to RAJAR, the station has a weekly audience o ...
, stated that the wave could be about one metre (3 feet) high, which although lower than previous estimates would be enough to cause flooding in some coastal settlements. When the condition of the munitions was originally assessed there was concern that
copper azide Copper(II) azide is a medium density explosive with the molecular formula In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecul ...
, an extremely sensitive explosive, would be produced through reaction between
lead azide Lead(II) azide is an inorganic compound. More so than other azides, is explosive. It is used in detonators to initiate secondary explosives. In a commercially usable form, it is a white to buff powder. Preparation and handling Lead(II) azide is ...
and copper from
fuse Fuse or FUSE may refer to: Devices * Fuse (electrical), a device used in electrical systems to protect against excessive current ** Fuse (automotive), a class of fuses for vehicles * Fuse (hydraulic), a device used in hydraulic systems to protect ...
components (lead azide would react with water vapour, rather than liquid water, to form
hydrazoic acid Hydrazoic acid, also known as hydrogen azide or azoimide, This also contains a detailed description of the contemporaneous production process. is a compound with the chemical formula . It is a colorless, volatile, and explosive liquid at room tem ...
, which could react with copper in the detonating cap to form copper azide). The Maritime and Coastguard Agency (MCA) said in 1998, "as the fuses will probably all have been flooded for many years and the sensitive compounds referred to are all soluble in water this is no longer considered to be a significant hazard". Critics of government assurances that the likelihood of a major explosion is remote argue that one of the fuses of the 2,600 fused-fragmentation devices could become partially flooded and undergo the reaction producing copper azide. A knock, such as caused by the ship breaking up further, or a collision on the busy shipping lane, could cause the copper azide to explode and trigger an explosive chain reaction detonating the bulk of the munitions. The wreck site has been surveyed regularly since 1965 to determine the stability of the structure, with a diver survey being completed in 2003. High-resolution multi-beam sonar surveys in 2005 and September 2006 found that there had been no recent significant movement of the wreck. Surveys undertaken in 2008 and 2009 by the MCA, showed that the ship was continuing to deteriorate structurally, with accelerated deterioration in some areas and new cracks appearing in the bow section of the wreck. The report states that "Whilst significant structural collapse does not appear to be imminent, surveys suggest that this prospect is getting closer." The increasing calls for a new airport in the Thames estuary would mean a solution would have to be found for removing the wreck, or at least making it safe, should the airport be built. The 2010 survey report, released in May 2012, found that, while there had been little change in 2009–2010, the future was uncertain due to the "dynamic nature" of the surrounding environment. Mayor of London
Boris Johnson Alexander Boris de Pfeffel Johnson (; born 19 June 1964) is a British politician, writer and journalist who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 2019 to 2022. He previously served as F ...
said that engineers had found the wreck would not prevent construction of an airport, and the wreck area would have to be considered.
Julian Huppert Julian Leon Huppert (born 21 July 1978) is a Liberal Democrat politician in the United Kingdom and former Member of Parliament for Cambridge from 2010 to 2015. He succeeded David Howarth, who stood down after one term as an MP. At the 2015 gene ...
, the co-chair of the Liberal Democrats committee on transport, disagreed, saying: "This report shows the ship's slow deterioration is continuing with the lethal cargo still on board", and "This must surely put an end to the bonkers idea of building an airport in the Thames estuary." A 2013 ''
Daily Telegraph Daily or The Daily may refer to: Journalism * Daily newspaper, newspaper issued on five to seven day of most weeks * ''The Daily'' (podcast), a podcast by ''The New York Times'' * ''The Daily'' (News Corporation), a defunct US-based iPad new ...
'' article quoting local historian Colin Harvey, agreed the ship would have to be removed before any airport was built and printed a
spectrogram A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data are represen ...
showing the ship clearly broken into two pieces. However, a DfT spokesperson said that the ship remained stable, and the likelihood of an explosion was remote; the matter of the ship was unrelated to the ongoing development of the aviation strategy. In June 2020, the DfT announced it was looking for a contractor to remove the ship's three masts as they were placing undue strain on the rest of the vessel structure. The
Ministry of Defence {{unsourced, date=February 2021 A ministry of defence or defense (see spelling differences), also known as a department of defence or defense, is an often-used name for the part of a government responsible for matters of defence, found in states ...
(MoD) warned that the collapse of a mast could detonate ordnance, and
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...
specialists would need to remove them safely. In December 2021 it was reported that a contractor supported by the Navy would remove the ship's masts, starting in June 2022.Kent Online: Work starts on making Sheppey bomb ship Richard Montgomery 'safe'
By Claire McWethy, cmcwethy@thekmgroup.co.uk. Published: 15:04, 20 October 2021. Updated: 03:45, 21 October 2021. Accessed 13 February 2022.


In media

In the second series of the Sky programme '' COBRA'', broadcast in 2021, the ''Montgomery'' (unnamed in the series) explodes as a consequence of undersea earthquakes, with the consequences predicted in the 1970 BBC report: heavy flooding, property damage and great loss of life (including the local MP) in Sheerness.


See also

*
List of accidents and incidents involving transport or storage of ammunition Accidents and incidents involving transport or storage of ammunition include: * 1634 Valletta explosion, Malta * An Ottoman ammunition dump inside the Parthenon was ignited by Venetian bombardment in 1687 * 1806 Birgu polverista explosion, Malta * ...


Notes


References


Bibliography

* * * * * * *


External links


Maritime and Coastguard Agency website page, including links to survey reports. Updated periodically with new publications.





The Richard Montgomery matter. Up to date information and links about the dangers the wreck presents
{{DEFAULTSORT:Richard Montgomery Liberty ships World War II shipwrecks in the North Sea Protected Wrecks of England Maritime incidents in August 1944 1944 in England Ships built in Jacksonville, Florida 1943 ships Shipwrecks of the River Thames Thames Estuary