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Napalm

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This article is about flammable liquids used for flame-type weaponry. For other uses, see Napalm (disambiguation).

North American F-100 Super Sabre dropping napalm in a training exercise

Napalm is an incendiary mixture of a gelling agent and a volatile petrochemical (usually gasoline or diesel fuel). The name is a portmanteau of two of the constituents of the original thickening and gelling agents: coprecipitated aluminium salts of naphthenic acid and palmitic acid.[1] A team led by chemist Louis Fieser originally developed napalm for the US Chemical Warfare Service in 1942 in a secret laboratory at Harvard University.[2] Of immediate first interest was its viability as an incendiary device to be used in fire bombing campaigns during World War II; its potential to be coherently projected into a solid stream that would carry for distance (instead of the bloomy fireball of pure gasoline) resulted in widespread adoption in infantry and tank/boat mounted flamethrowers as well.

Napalm burns at temperatures[3][4] ranging from 800 to 1,200 °C (1,470 to 2,190 °F). It burns longer than gasoline, is more easily dispersed, and adheres to its targets. These traits make it both effective and controversial. It has been widely used from the air and from the ground, the largest use having been via airdropped bombs in World War II in the incendiary attacks on Japanese cities in 1945. It was used also for close air support roles in the First Indochina War, the Algerian War, the Korean War, the Six-Day War, and the Vietnam War. Napalm has also fueled most of the flamethrowers (tank-, ship-, and infantry-based) used since World War II, giving them much greater range, and was a common weapon of urban combat by both the Axis and the Allies in World War II.

Development

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The development of napalm was precipitated by the use of jellied gasoline mixtures by the Allied forces during World War II.[5]: F57 Latex, used in these early forms of incendiary devices, became scarce, since natural rubber was almost impossible to obtain after the Japanese army captured the rubber plantations in Malaya, Indonesia, Vietnam, and Thailand.

This shortage of natural rubber prompted chemists at US companies such as DuPont and Standard Oil of New Jersey, and researchers at Harvard University, to develop factory-made alternatives: artificial rubber for all uses, including vehicle tires, tank tracks, gaskets, hoses, medical supplies and rain clothing. A team of chemists led by Louis Fieser at Harvard University was the first to develop synthetic napalm during 1942.[6] "The production of napalm was first entrusted to Nuodex Products, and by the middle of April 1942 they had developed a brown, dry powder that was not sticky by itself, but when mixed with gasoline turned into an extremely sticky and flammable substance." One of Fieser's colleagues suggested adding phosphorus to the mix which increased the "ability to penetrate deeply [...] into the musculature, where it would continue to burn day after day."[7]

On 4 July 1942, the first test occurred on the football field near the Harvard Business School.[7] Tests under operational conditions were carried out at Jefferson Proving Ground on condemned farm buildings and subsequently at Dugway Proving Ground on buildings designed and constructed to represent those to be found in German and Japanese towns.[8][9] This new mixture of chemicals was widely used by the United States in the Second World War for incendiary bombs and in flamethrowers, after its first use in Papua New Guinea on 15 December 1943.[10]

From 1965 to 1969, the Dow Chemical Company manufactured napalm for the American armed forces.[10] After news reports of napalm's deadly and disfiguring effects were published, Dow Chemical experienced boycotts of its products, and its recruiters for new chemists, chemical engineers, etc., graduating from college were subject to campus boycotts and protests.[11][12] The management of the company decided that its "first obligation was the government".[13] Meanwhile, napalm became a symbol for the Vietnam War.[14]

Military use

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Results of a napalm strike by the Aviation navale on suspected Viet Minh positions during the First Indochina War, December 1953

Napalm was first employed in incendiary bombs and later was also used as fuel for flamethrowers.[15]

The first recorded strategic use of napalm incendiary bombs occurred in an attack by the US Army Air Forces (USAAF) on Berlin on 6 March 1944, using American AN-M76 incendiary bombs with PT-1 (Pyrogel) filler.[16][17] The first known tactical use by the USAAF was by the 368th Fighter Group, Ninth Air Force Northeast of Compiègne, France 27 May 1944[18] and the British De Havilland Mosquito FB Mk.VIs of No. 140 Wing RAF, Second Tactical Airforce on 14 July 1944, which also employed the AN-M76 incendiary in a reprisal attack on the 17th SS Panzergrenadier Division "Götz von Berlichingen" in Bonneuil-Matours. Soldiers of this Waffen SS unit had captured and then killed a British SAS prisoner-of-war, Lieutenant Tomos Stephens, taking part in Operation Bulbasket, and seven local French resistance fighters. Although it was not known at the time of the airstrike, 31 other POWs from the same SAS unit, and an American airman who had joined up with the SAS unit, had also been executed.[19]

Further use of napalm by Allied forces occurred in the Pacific theater of operations, where, in 1944 and 1945, napalm was used as a tactical weapon against Japanese bunkers, pillboxes, tunnels, and other fortifications, especially on Saipan, Iwo Jima, the Philippines, and Okinawa, where deeply dug-in Japanese troops refused to surrender. Napalm bombs were dropped by aviators of the US Navy, the USAAF, the US Marine Corps, and the Royal Air Force[20] in support of ground troops.[citation needed] The M69 incendiary was specifically designed to destroy Japanese civilian houses. Those bombs were widely used against civilians, including the Bombing of Tokyo. Over 40,000 tons of AN-M69s were dropped on Japanese cities during the war.[21]

When the USAAFs on the Marianas Islands ran out of conventional thermite incendiary bombs for their B-29 Superfortresses to drop on large Japanese cities, its top commanders, such as General Curtis LeMay, used napalm bombs to continue with fire raids.[22]

In the European Theater of Operations, napalm was used by American forces[23] in the siege of La Rochelle in April 1945 against German soldiers (and inadvertently French civilians) in Royan—about two weeks before the end of the war.[24]

In its first known post-WWII use, US-supplied napalm was used in the Greek Civil War by the Greek National Army as part of operations Koronis and Pyrsos against the Democratic Army of Greece (DSE)—the military branch of the Communist Party of Greece (KKE).[25][26]

"Zippo" riverboat of the US Brown-water navy firing an ignited napalm mixture from a riverboat-mounted flamethrower in Vietnam

Napalm was widely used by the US during the Korean War.[citation needed] The ground forces in North Korea holding defensive positions were often outnumbered by Chinese and North Koreans, but US Air Force and Navy aviators had control of the air over nearly all of the Korean Peninsula. Hence, the American and other UN aviators used napalm for close air support of the ground troops along the border between North Korea and South Korea and also for attacks in North Korea. Napalm was used most notably during the battle "Outpost Harry" in South Korea during the night of 10–11 June 1953.[citation needed]

Eighth Army chemical officer Donald Bode reported that on an "average good day" UN pilots used 260,000 liters (70,000 US gal; 58,000 imp gal) of napalm, with approximately 230,000 liters (60,000 US gal; 50,000 imp gal) of this thrown by US forces.[27] The New York Herald Tribune hailed "Napalm, the No. 1 Weapon in Korea".[28] British Prime Minister Winston Churchill privately criticized the use of napalm in Korea, writing that it was "very cruel", as US/UN forces, he wrote, were "splashing it all over the civilian population", "tortur[ing] great masses of people". He conveyed these sentiments to U.S. Chairman of the Joint Chiefs of Staff Omar Bradley, who "never published the statement". Publicly, Churchill allowed Bradley "to issue a statement that confirmed U.K. support for U.S. napalm attacks".[29]

At the same time, the French Air Force regularly used napalm for close air support of ground operations in the First Indochina War (1946–1954). At first, the canisters were simply pushed out the side doors of Ju 52 planes that had been captured in Germany, later mostly B-26 bombers were used.[30]

Napalm became an intrinsic element of US military action during the Vietnam War as forces made increasing use of it for its tactical and psychological effects.[31] Reportedly about 352,000 tonnes (388,000 short tons; 346,000 long tons) of US napalm bombs were dropped in the region between 1963 and 1973, compared to 29,354 tonnes (32,357 short tons; 28,890 long tons) used over three years in the Korean War, and 15,000 tonnes (16,500 short tons; 14,700 long tons) dropped on Japan in 1945.[2] The US Air Force and US Navy used napalm with great effect against all kinds of targets, such as troops, tanks, buildings, jungles, and even railroad tunnels. The effect was not always purely physical as napalm had psychological effects on the enemy as well.[32]

A variant of napalm was produced in Rhodesia for a type of ordnance known as Frantan between 1968 and 1978 and was used extensively by the Rhodesian Air Force during the Bush War.[33] In May 1978, Herbert Ushewokunze, minister of health for the Zimbabwe African National Union (ZANU), produced photographic evidence of civilian victims of Rhodesian napalm strikes, which he circulated during a tour of the US.[33] The government of Mozambique and the Zimbabwe African People's Union (ZAPU) also issued claims at around the same time that napalm strikes against guerrilla targets had become a common feature in Rhodesian military operations both at home and abroad.[33]

The South African Air Force frequently dropped napalm from Atlas Impala strike aircraft during raids on guerrilla bases in Angola during the South African Border War.[34]

Other instances of napalm's use include: France during the Algerian War (1954–1962);[35] Portuguese Colonial War (1961–1974); Turkey (1964) in the Republic of Cyprus; Peru during the 1964 Matsés massacres [es] and the counterinsurgency campaign against the Revolutionary Left Movement and the National Liberation Army (1965);[36] the Six-Day War by Israel (1967); in Nigeria (1969); in India and Pakistan (1965 and 1971); Egypt (1973); by Turkey (1974) the Turkish Invasion of Cyprus; by Morocco during the Western Sahara War (1975–1991); by Argentina (1982); by Iran (1980–88); by Iraq (1980–88, 1991); by Indian Peace Keeping Force (IPKF) in 1987 against Tamils (LTTE) in Sri Lanka; by Angola during the Angolan Civil War; and Yugoslavia (1991–1996).[37] In 2018, Turkey was accused of using napalm in its war against Kurdish militias over Afrin.[38]

Antipersonnel effects

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Phan Thi Kim Phuc, burned with napalm at the age of 9 during the Vietnam War

When used as a part of an incendiary weapon, napalm causes severe burns. During combustion, napalm deoxygenates the available air and generates carbon monoxide and carbon dioxide, so asphyxiation, unconsciousness, and death are also possible.[39]

Napalm is lethal even for dug-in enemy personnel, as it flows into foxholes, tunnels, and bunkers, and drainage and irrigation ditches and other improvised troop shelters. Even people in undamaged shelters can be killed by hyperthermia, radiant heat, dehydration, asphyxiation, smoke exposure, or carbon monoxide poisoning.[39] Crews of armored fighting vehicles are also vulnerable, due to the intense heat conducted through the armor. Even in the case of a near miss, the heat can be enough to disable a vehicle.[40]

One firebomb released from a low-flying plane can damage an area of 2,100 square meters (2,500 sq yd).[39]

International law

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International law does not specifically prohibit the use of napalm or other incendiaries against military targets,[41] but use against civilian populations was banned by the UN Convention on Certain Conventional Weapons (CCW) in 1980.[42] Protocol III of the CCW restricts the use of all incendiary weapons, but a number of countries have not acceded to all of the protocols of the CCW. According to the Stockholm International Peace Research Institute (SIPRI), countries are considered a party to the convention, which entered into force as international law in December 1983, as long as they ratify at least two of the five protocols. Approximately 25 years after the General Assembly adopted it, it was reported that the US signed it on 21 January 2009, Barack Obama's first full day in office as president.[43][44] Its ratification is subject to a reservation that says that the treaty can be ignored if it would save civilian lives.[44][45] The UN has also acknowledged that the US had ratified the CCW in March 1995, 13 years after the country became a signatory to it.[46]

See also

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References

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  1. ^ "Oxford Dictionaries – napalm: definition of napalm". Archived from the original on 26 August 2013. Retrieved 2 October 2014.
  2. ^ a b "Books in brief. Napalm: An American Biography Robert M. Neer Harvard University Press 352 pp". Nature. 496 (7443): 29. 2013. doi:10.1038/496029a.
  3. ^ "Napalm and Agent Orange in the Vietnam War". www.thoughtco.com. ThoughtCo.
  4. ^ Military Review (Volume 13 Number 6 ed.). Command and General Staff College. April 1953. p. 13.
  5. ^ Basil T. Fedoroff; Oliver E. Sheffield (1 January 1974). "Flame Throwers—Liquids and Gels". Encyclopedia of explosives and related items. Vol. 6. Picatinny Arsenal. pp. F56–F58. LCCN 61-61759.
  6. ^ "Napalm". www.chm.bris.ac.uk.
  7. ^ a b Lindqvist, Sven (2001). A History of Bombing. New York: The New Press. p. 105. ISBN 1-56584-625-7.
  8. ^ Noyes, W.A. Jr., ed. (1948). Science in World War II: Chemistry. Boston: Little, Brown and Company. pp. 392, 393.
  9. ^ "An Ithaca of sorts". 29 June 2010. Archived from the original on 11 October 2012. Retrieved 26 December 2012.
  10. ^ a b Marine Guillaume (10 December 2016). "Napalm in US Bombing Doctrine and Practice, 1942-1975". SciencesPo. ISSN 1961-9898. Archived from the original on 25 March 2022. Retrieved 21 July 2022.
  11. ^ University of Wisconsin-Madison (2017). "A Turning Point". Retrieved 26 October 2017.
  12. ^ Worland, Gayle (8 October 2017). "50 years ago, 'Dow Day' left its mark on Madison". Wisconsin State Journal. Madison, WI: John Humenik. Retrieved 26 October 2017.
  13. ^ "Napalm History" Archived 2011-10-06 at the Wayback Machine Virginia Center for Digital History
  14. ^ Napalm Archived 6 October 2011 at the Wayback Machine. vcdh.virginia.edu. Retrieved on 11 February 2010.
  15. ^ "The Harvard Candle". 6 March 2011. Archived from the original on 29 December 2012. Retrieved 26 December 2012.
  16. ^ Kleber, Brooks E. and Birdsell, Dale (1966) The Chemical Warfare Service: Chemicals in Combat. Washington, DC: Center of Military History, United States Army, p.158.
  17. ^ An article in The Harvard Crimson dated 12 October 1973 here [1] states that "The U.S. military started using napalm during the middle of 1942".
  18. ^ "368th FG HQ Documents". www.368thfightergroup.com.
  19. ^ McCue, Paul and Baker, Max (2009) SAS Operation Bulbasket: Behind the Lines in Occupied France. Barnsley, S. Yorks: Pen and Sword Books. p. 104. ISBN 1848841930.
  20. ^ McKinstry, Leo (2011). Hurricane : victor of the Battle of Britain. London: John Murray. ISBN 978-1-84854-341-6. OCLC 659244635.
  21. ^ Wellerstein, Alex (30 August 2013). "Who Made That Firebomb?". RESTRICTED DATA The Nuclear Secrecy Blog. Retrieved 12 September 2020.
  22. ^ De Chant, John A. (1947). Devilbirds. New York: Harper & Brothers Publishers. p. 155.
  23. ^ Zinn, Howard (1997). The Zinn Reader: Writings on Disobedience and Democracy. Seven Stories Press. pp. 267–. ISBN 978-1-888363-54-8.
  24. ^ Howard Zinn, You Can't Be Neutral on a Moving Train. 2004 Documentary
  25. ^ House, Jonathan M. (28 April 2014). A Military History of the Cold War, 1944–1962. University of Oklahoma Press. p. 70. ISBN 9780806146904.
  26. ^ Featherstone, Kevin; Papadimitriou, Dimitris; Mamarelis, Argyris; Niarchos, Georgios (2011). The Last Ottomans: The Muslim Minority of Greece, 1940–49. Palgrave Macmillan. p. 211. ISBN 978-0-230-29465-3.
  27. ^ Neer, Robert (2013). Napalm: An American Biography. Harvard University Press. p. 99.
  28. ^ Pembroke, Michael (2018). Korea: Where the American Century Began. Hardie Grant Books. p. 152.
  29. ^ Neer, Robert M. (2013). Napalm: An American Biography. Harvard University Press. pp. 102–3.
  30. ^ Fall, Bernard B. (2018) [1961]. Street Without Joy. Guilford, CT: Stackpole Books. ISBN 978-0-8117-3654-1.
  31. ^ Rohn, Alan (18 January 2014). "Napalm in Vietnam War". The Vietnam War. Retrieved 28 October 2019.
  32. ^ "Liquid Fire – How Napalm Was Used in the Vietnam War". www.warhistoryonline.com. Nikola Budanovic. June 2016. Retrieved 8 November 2017.
  33. ^ a b c Anti-Apartheid Movement, (various) (1979). Fireforce Exposed: Rhodesian Security Forces and Their Role in Defending White Supremacy. London: The Anti-Apartheid Movement. pp. 39–40. ISBN 978-0900065040.
  34. ^ Nortje, Piet (2003). 32 Battalion: The Inside Story of South Africa's Elite Fighting Unit. New York: Zebra Press. p. 158. ISBN 1-868729-141.
  35. ^ Benjamin Stora, "Avoir 20 ans en Kabylie", in L'Histoire n°324, October 2007, pp. 28–29 (in French)
  36. ^ Colby, Gerard; Dennett, Charlotte (1995). Thy Will Be Done – The Conquest of the Amazon: Nelson Rockefeller and Evangelism in the Age of Oil. New York: HarperPerennial. p. 466, 491-493. ISBN 9780060167646.
  37. ^ Goose Green, 2 Para in Falklands War 1982. Naval-history.net. Retrieved on 11 February 2010.
  38. ^ "Kurds Accuse Turks of Dropping Napalm | Voice of America – English". www.voanews.com. Archived from the original on 25 September 2020. Retrieved 8 August 2020.
  39. ^ a b c Napalm Exposure at eMedicine
  40. ^ Seymour M. Kaye (1 January 1978). "Napalm". Encyclopedia of explosives and related items. Vol. 8. Picatinny Arsenal. pp. N2–N3. LCCN 61-61759.
  41. ^ Omara-Otunnu, Elizabeth (8 November 2004). Napalm Survivor Tells of Healing After Vietnam War. University of Connecticut Advance.
  42. ^ "worldinbalance.net". www.worldinbalance.net. Archived from the original on 4 October 2011. Retrieved 6 July 2011.
  43. ^ Neer, Robert (2013). Napalm, An American Biography. Cambridge: Belknap Press of Harvard University Press. pp. 224. ISBN 978-0-674-07301-2.
  44. ^ a b "Napalm, An American Biography". www.napalmbiography.com.
  45. ^ Los Angeles Times (24 February 1995). "Military in no hurry to dispose of napalm". Baltimore Sun. Retrieved 17 April 2021.
  46. ^ "UNTC". Treaties.un.org. Retrieved 15 March 2022.

Further reading

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Look up napalm in Wiktionary, the free dictionary.
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