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From Wikipedia, the free encyclopedia

IS-3
IS-3 tank in a museum in Brussels
IS-3 tank in a museum in Brussels
TypeHeavy tank
Place of originSoviet Union
Service history
In service1945 - present (various sources)
Used by
  • Soviet Union
  • Egypt
  • Hungary
  • Georgia
  • North Korea
Wars
Production history
Designed1944
ManufacturerFactory No.100 Kirovskiy Works
Produced1945–47
No. built2,311[1] (Total)
VariantsIS-3M
Specifications
Mass46,500 kg (102,500 lb) (combat)
Length9.85 m (32.3 ft)
Width3.15 m (10.3 ft)
Height2.45 m (8 ft 0 in)
Crew4 (commander/radio operator, gunner, loader, driver)

Caliber122mm

Armor110 mm (4.3 in) (hull front)
Main
armament
122mm Gun D-25 (28 rounds)
Secondary
armament
  • 7.62mm DT MG (coaxial, 1000 rounds)
  • 1 × 12.7mm DShK MG (AA, 945 rounds)
Engineit used the later version of the Kharkiv model V-2 (V-11) (diesel)
520hp
Power/weight11.0 hp/tonne
Transmission4 forward, 1 reverse
Operational
range
150 km (93 mi)/120 km (75 mi) (on/off-road)
Maximum speed 37 km/h (23 mph)/19 km/h (12 mph) (on/off-road)
References[2]

The IS-3 (also known as Object 703) is a Soviet heavy tank developed in late 1944. Its semi-hemispherical cast turret (resembling that of an upturned soup bowl) became the hallmark of post-war Soviet tanks. Its pike nose design would also be mirrored by other tanks of the IS tank family such as the IS-7 and T-10. Too late to see combat in World War II, the IS-3 participated in the Berlin Victory Parade of 1945, in the border conflict during the Sino-Soviet split, the Soviet invasion of Hungary, the Prague Spring, on both sides during the Six-Day War, and in very limited capacity during the Russo-Ukraine War.

Design and production

Frontal view of an IS-3. The squat solid-looking front profile and pike nose armor shape are highly distinctive. US Army Ordnance Museum, Aberdeen Maryland (2008)

Object 703 was developed in late 1944 by Factory No.100 Kirovskiy Works or ChTZ (in Chelyabinsk) and left the factory shop in May 1945.[3] This tank had an improved armour layout, and a semi-hemispherical cast turret (resembling that of an upturned soup bowl), which became the hallmark of post-war Soviet tanks. While this low, hemispherical turret improved protection, it also significantly diminished crew headroom, especially for the loader. The low turret also limited the maximum depression of the main gun, since the gun breech had little room inside the turret to elevate, and this limited the extent to which the IS-3 could take advantage of hull-down positions.[4] The IS-3's pointed prow, so called pike nose, earned it the nickname Shchuka (Pike) by its crews. It weighed slightly less and stood 28 centimetres (11 in) lower than previous versions. Wartime production resulted in many mechanical problems and a hull weldline that had a tendency to crack open.[5] The IS-3M solved some of these problems.

Former Egyptian Army IS-3M

The IS-3 came too late to see action in World War II. The first public demonstration of the IS-3 came on 7 September 1945 during the Allied victory parade on Charlottenburger Straße in Berlin, with the heavily reinforced 71st Guards Heavy Tank Regiment of the 2nd Guards Tank Army.[3] Starting in 1960, the IS-3 was slightly modernized as the IS-3M, in a manner similar to the IS-2M.

The IS-3 was a significant improvement to the IS-1 and IS-2 due to its pike nose frontal armor. Having frontal hull armor that was already pre-angled meant that less armor was needed to maintain the same effective armor thickness on the upper glacis.

Combat history

Three pre-series vehicles were assigned to an independent Guards Battalion, but they arrived after the surrender documents were signed. They took part in the September 7, 1945, victory parade in Berlin under the 71st Guards Heavy Tank Regiment of the 2nd Guards Tank Army.[1]

In response to border disputes between the Soviet Union and China, some Soviet IS-3s were dug in as fixed pillboxes along the Soviet-Chinese border. The IS-3 was used in the 1956 Soviet invasion of Hungary, as well as the Prague Spring in 1968.[citation needed]

During the early 1950s, all IS-3s were modernized as IS-3M models. The Egyptian Army acquired about 100 IS-3M tanks from the Soviet Union.[6] During the Six-Day War, a single regiment of IS-3M tanks was stationed with the Egyptian 7th Infantry Division at Rafah and the 125th Tank Brigade of the 6th Mechanized Division at Kuntilla was also equipped with about 60 IS-3M tanks.[6] Israeli infantry and paratrooper units had considerable difficulty with the IS-3M when it was encountered due to its thick armor, which shrugged off hits from normal infantry anti-tank weapons such as the bazooka.[6] Even the 90 mm AP shell fired by the main gun of the Israeli Defense Force (IDF) M48 Patton tanks could not penetrate the frontal armor of the IS-3s at normal battle ranges.[6] There were a number of engagements between the M48A2 Pattons of the IDF 7th Armored Brigade and IS-3s supporting Egyptian positions at Rafah in which several M48A2s were knocked out in the fighting.[6]

However, in one engagement between a battalion of IS-3s and 90 mm gun-armed M48A3s, seven IS-3s were destroyed. The slow rate of fire, poor engine performance (the engine was not well suited to hot-climate operations as it was originally meant to fight the Germans in Europe),[1] and quite rudimentary fire control (fire-control was still relatively WWII-era) of the IS-3s proved to be a significant handicap, but the main factor was not due to mobility and age of armour, but came down to poor morale and training.[7][8] About 73 IS-3s were lost in the 1967 war.[6] Most Egyptian IS-3 tanks were withdrawn from service, though at least one regiment was retained in service as late as the 1973 October war.[6] The IDF itself experimented with a few captured IS-3M tanks, but found them ill-suited to fast-moving desert tank warfare; those that were not scrapped were turned into stationary defensive pillbox emplacements in the Jordan River area.[6] M48A2s were superior at shorter range, but the IS-3 proved to be superior at longer ranges.[8]

In 2014, an IS-3 was captured by the Armed Forces of Ukraine near the city of Donetsk from pro-Russian rebels. Footage of the tank being reactivated by the rebels circulated online, showing the tank being successfully started and driven off its plinth at a memorial in the city of Kostiantynivka, Donetsk Oblast.[9][10] Sources from the People's Republic of Donetsk claim it was able to fire at a military outpost, killing and wounding several soldiers, before retreating and being abandoned.

Models

IS-3
1944 armor redesign, with new rounded turret, angular front hull casting, integrated stowage bins over the tracks. Internally similar to IS-2 model 1944 and produced concurrently. About 350 built during the war.
IS-3M
(1952) Modernized version of IS-3. Fitted with additional jettisonable external fuel tanks, improved hull welding and a new anti-air machine gun.

Operators

Surviving vehicles

A restored IS-3 of the Military Museum Lešany, Czech Republic
  • IDF Armoured Corps Museum, Israel.
  • Museum of Armoured Arms, Training Center of Land Forces, Poznań, Poland (still operational)
  • Army Technical Museum, Lešany, Czech Republic (operational).[16]
  • Polish Army Museum, Warsaw, Poland. (Fort Czerniaków branch of the Museum).
  • National Armor and Cavalry Museum, Fort Moore, Georgia, United States.
  • Victory Park in the northern part of Ulyanovsk, Russia.
  • Ulyanovskoe SVU, Ulyanovsk, Russia
  • Military Glory Museum, Gomel, Belarus.
  • Diorama Battle of Kursk, in Belgorod, Russia.
  • At least one IS-3 was used by the separatist government in Donbas before being captured by Ukrainian forces. Another IS-3 was filmed being successfully started and driven off its plinth at a memorial to the Great Patriotic War in Kostiantynivka, where it was then reportedly used by Pro-Russian rebels on June 30, 2014.[17]
  • IS-3 re-engined with unknown replacement power plant restored and available for tourist rides Strategic Missile Forces Museum near Pobuzke, Ukraine.[18]
IS-3M

See also

Tanks of comparable role

References

  1. ^ a b c "Iosif Stalin 3 (IS-3)". Tank Encyclopedia. 30 June 2014.
  2. ^ "IS-3 Model 1945". onwar.com.
  3. ^ a b Russian armored vehicles. XX Century. Volume 3: 1945–1965 ISBN 5977101066, 2010.
  4. ^ Perrett 1987:21
  5. ^ ZALOGA IS-2 HEAVY TANK 1944-73 P19
  6. ^ a b c d e f g h Zaloga 1994, p. 39.
  7. ^ Axe, David. "Maybe This Hulking Soviet Tank Wasn't A Stinker, After All". Forbes. Retrieved 2021-11-03.
  8. ^ a b "Tank Archives: IS-3 in Combat". Tank Archives. 20 June 2016.
  9. ^ Axe, David. "Maybe This Hulking Soviet Tank Wasn't A Stinker, After All". Forbes. Retrieved 2021-11-03.
  10. ^ Boring, War Is (2014-07-04). "The Ukrainian Rebels' New Weapon Is a World War II Tank". War Is Boring. Retrieved 2021-11-03.
  11. ^ "An IS-3 with Hungarian crew". 1956.
  12. ^ Kinnear, James; Sewell, Stephen (29 June 2017). Soviet T-10 Heavy Tank and Variants. Bloomsbury Publishing. p. Appendix One. ISBN 9781472820532.
  13. ^ "Танк 'Иосиф Сталин-3' разгромил блокпост на Донбассе, есть погибшие" ["Joseph Stalin-3" tank crushed checkpoint in Donbas, fatalities]. RIA Novosti. 30 June 2014.
  14. ^ "Ukrainian government troops target further gains". Market Watch (The Wall Street Journal). July 6, 2014.
  15. ^ "Ukrainian flag raised over Kostiantynivka Town Council". ukrinform.ua. Archived from the original on 2014-07-14. Retrieved 2014-08-02.
  16. ^ [1] Archived May 5, 2009, at the Wayback Machine
  17. ^ Warford, James M. "Soviet IS-3 'Stalin' Heavy Tank: Importance of Getting Assessment Right" (PDF). Retrieved 30 December 2019.
  18. ^ Restored and available for tourist ride
  19. ^ "Military Vehicle Technology Foundation - Collection by Category". Mvtf.org. Retrieved 2011-06-15.
This page was last edited on 13 March 2024, at 01:37
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