T-54/T-55

Description

The T-54 and T-55 have a cabin layout shared with many post-World War II tanks, with the fighting compartment in the front, the engine compartment in the rear, and a dome-shaped turret in the hull's centre. The driver's hatch is on the front left of the hull roof. In the turret, the commander is seated on the left, with the gunner to his front and the loader on the right. The tank has a flat track, meaning no support rollers, the suspension has the drive sprocket at the rear and dead track. The engine exhaust is on the left fender. There is a prominent gap between the first and second road wheel pairs, a distinguishing feature from the T-62, which has progressively larger spaces between road wheels towards the rear.

The T-54 and T-55 tanks are outwardly similar and difficult to distinguish visually. Soviet tanks were factory-overhauled every 7,000 km and usually given minor technology updates. Many states have added or modified the tank's equipment; India, for example, affixed fake fume extractors to its T-54s and T-55s so that its gunners would not confuse them with Pakistani Type 59s.

The older T-54 can be distinguished from the T-55 by a dome-shaped ventilator on the front right of the turret and a driver-operated SGMT 7.62 mm machine gun mounted to fire through a tiny hole in the centre of the hull's front. Early T-54s lacked a gun fume extractor, had an undercut at the turret's rear, and a distinctive "pig-snout" gun mantlet.

Advantages and drawbacks

By 1950s standards, the T-54 was excellent, packing considerable firepower and armour protection in a reliable design whilst also being smaller and lighter than contemporary NATO designs. However, at the time, the T-54 lacked effective sub-calibre ammunition and was reliant on HEAT rounds for anti-tank ammunition until the 1960s. This and the fact that the T-54 had a simple fire-control system meant that the T-54 was inaccurate at longer ranges.

The T-55 introduced the world's first first-generation protective suite for NBC protection. This was done due to Soviet researchers finding that the survivability of tanks and their crews against tactical nuclear weapons was poor.

The low turret profile of the tanks prevents them from depressing their main guns by more than 5° since the breech would strike the ceiling when fired, which limits the ability to cover terrain by fire from a hull-down position on a reverse slope. As with most tanks of that generation, the internal ammunition supply is not shielded, increasing the risk that any enemy penetration of the fighting compartment could cause a catastrophic secondary explosion. The T-54 lacked NBC protection and a turret basket, which meant that crewmen had to physically rotate and keep up with a rotating turret as the hull they stood in didn't move with the turret. Additionally, early models also lacked gun stabilisation. Most of these problems were corrected in the otherwise largely identical T-55 tank.

Together, the T-54/55 tanks have been manufactured by the tens of thousands, and many remain in reserve or even in front-line use among lower-technology fighting forces. .

Production history

Soviet Union

T-54-1 production was slow at first, as only 3 vehicles were built in 1946 and 22 in 1947. 285 T-54-1 tanks were built in 1948 by Stalin Ural Tank Factory No. 183 (Uralvagonzavod); by then it had completely replaced T-44 production at Uralvagonzavod, and Kharkiv Diesel Factory No. 75 (KhPZ). Production was stopped because of a low level of production quality and frequent breakdowns. The T-54-2 entered production in 1949 at Uralvagonzavod, which produced 423 tanks by the end of 1950. It replaced the T-34 in production at the Omsk Factory No. 183 in 1950. In 1951, over 800 T-54-2 tanks were produced. The T-54-2 remained in production until 1952. The T-54A was produced between 1955 and 1957. The T-54B was produced between 1957 and April 1959. The T-55 was produced by Uralvagonzavod between 1958 and 1962. The T-55K command tank was produced in 1959. The TO-55 (Ob'yekt 482) flamethrower tank was produced until 1962.

Overall, 35,000 T-54-1, T-54-2, T-54 (T-54-3), T-54A, T-54B, T-54AK1, T-54AK2, T-54BK1 and T-54BK2 tanks were produced between 1946 and 1958 and 27,500 T-55, T-55A, T-55K1, T-55K2, T-55K3, T-55AK1, T-55AK2 and T-55AK3 tanks were produced between 1955 and 1981.

Polish People's Republic

Polish People's Republic produced 3,000 T-54, T-54A, T-54AD and T-54AM tanks between 1956 and 1964 and 7,000 T-55 (between 1964 and 1968), T-55L, T-55AD-1 and T-55AD-2 tanks (between 1968 and 1979).

Czechoslovakia

Czechoslovakia produced 2,700 T-54A, T-54AM, T-54AK, T-54AMK tanks (between 1957 and 1966) and 8,300 T-55 and T-55A tanks (between 1964 and 1983; T-55A was probably produced since 1968). Most of them were for export.

Service history

Soviet Union and successors

The T-54/55 and the T-62 were the two most common tanks in Soviet inventory—in the mid-1970s the two tank types together comprised approximately 85% of the Soviet Army's tanks.

Soviet T-54 tanks first saw combat in the Hungarian Revolution in 1956 and a few were successfully knocked out by the defending anti-Soviet Hungarian resistance fighters and rebels using Molotov cocktails and several anti-tank guns. The local anti-Soviet revolutionaries delivered one captured T-54A to the British Embassy in Budapest, the analyses and studies of which helped and spurred the development of the Royal Ordnance L7 105 mm tank gun.

At the initial stage of the war in Afghanistan in 1979–1980, about 800 Soviet tanks were used, consisting of 39 battalions, mainly armed with T-54s and T-55s. In 1979, only one T-55 tank was lost. Since the beginning of 1980, they began to be replaced by modern T-62 and T-64 tanks.

In Russia, most of the T-62s and the T-55s were auctioned off in 2012, with all Russian active-duty military units mainly operating the T-72, T-80, and the T-90. Remaining T-62s, T-55s and T-54s in storage have been reactivated to be used in combat in the Russian invasion of Ukraine.

In Ukraine, in 1997 The Military Balance reported that Ukraine had 154 T-55 tanks, but by 2014 the number was only 20, all in storage.

Middle East

During the 1967 Six-Day War, U.S.-supplied M48 Patton tanks, British Centurion tanks, and even upgraded World War II–era 75 mm M-50 and 105 mm armed M-51 Super Shermans faced T-55s. This mix of Israeli tanks, combined with superior planning of operations and superior airpower, proved to be more than capable of dealing with the T-54/T-55 series.

During the Jordanian Civil War, Syrian tanks inflicted heavy losses on Jordanian Centurions. In one case, a squadron of T-55s stopped the advance of a large Jordanian column, with 19 Centurions destroyed and up to 10 Syrian T-55s lost in the battle. According to Israeli intelligence, Jordan lost 75 to 90 tanks out of 200 involved, most to Syrian T-55 fire at ar-Ramtha. In turn total Syrian tank losses accounted to 62 T-55 mostly breakdowns left on enemy territory.

By the 1973 Yom Kippur War, the T-54A and T-55's guns were losing their competitive effectiveness relative to the 105 mm Royal Ordnance L7 gun mounted in Israeli Centurion Mk V and M60A1 tanks. Israeli tanks fitted with the L7 105mm gun suffered greatly from the new Soviet HEAT 3BК5 ammunition fired by the T-55s. During the entire war, 1,063 Israeli tanks were disabled (more than half of them Centurions), about 600 of which were destroyed or captured. Some 35 Israeli Centurions were captured by Egypt, dozens more were captured by Syria, Iraq and four by Jordan. On the other hand, 2,250 Arab tanks were disabled (including 33 Jordanian Centurions, 18 of them destroyed), 1,274 of them were completely destroyed or captured (643 tanks were lost in the north and 631 were lost in the south)

Israel captured many from Egypt in 1967, along with a few T-55s from Syria, and kept some of them in service. They were upgraded with a 105 mm NATO-standard L7 or M68, a US version of the L7, replacing the old Soviet 100 mm D-10, and a General Motors diesel replacing the original Soviet diesel engine. The Israelis designated these Tiran-5 medium tanks, and they were used by reserve units until the early 1990s. Most of these were then sold to assorted Third World countries, some of them in Latin America, and the rest were heavily modified, converted into the Achzarit heavy armoured personnel carrier.

In the Lebanese Civil War, on 10 June 1982, eight Israeli M48A3s, two M60A1s and at least three M113 APCs were lost in an ambush by Syrian T-55 tanks and BMP-1 APCs during the Battle of Sultan Yacoub.

The tank was heavily used during the Iran–Iraq War of 1980–88. T-54/55 participated in the biggest tank battle of the war in early 1981. Iran lost 214 Chieftain and M60A1 tanks in the battle. In return, Iraq lost 45 T-55 and T-62 tanks. Another known tank battle occurred on 11 October 1980, when a large Iranian convoy supported by a battalion of Chieftains (92nd Division) was ambushed by a battalion of Iraqi T-55s (26th Brigade). During the battle, the Iranians lost 20 Chieftains plus other armoured vehicles and withdrew.

Many Iraqi T-55s saw action during Operation Desert Storm in Iraq and Kuwait in January/February 1991, and during the 2003 US/UK invasion of Iraq with poor results.

T-55 tanks also were used in the Yemeni civil war in 1994, both by the government army and by the South Yemeni separatists. They were the main tanks of both sides and were used most actively (along with the T-62).

Vietnam War

During the Vietnam War, the People's Army of Vietnam (PAVN) and its proxy military force, the Liberation Army of South Vietnam (LASV), used T-54s, along with its Chinese-built copy (the Type 59), extensively against the South Vietnamese Army of the Republic of Vietnam (ARVN) and their allied US forces.

The PAVN/LASV and the ARVN engaged each other with tanks for the first time during Operation Lam Son 719 in February 1971. During that battle, 17 M41 Walker Bulldog light tanks of the ARVN's 1st Armoured Brigade claimed to have destroyed 22 PAVN tanks, a total of 6 T-54s and 16 PT-76 light amphibious tanks, at no loss to themselves, but their friendly units lost 5 M41s and 25 armoured personnel carriers (APCs), mainly M113 APCs.

On Easter Sunday, 2 April 1972, the newly activated ARVN 20th Tank Regiment, comprising approximately 57 M48A3 Patton main battle tanks (note that ARVN regiments were equivalent to US battalions, and ARVN squadrons were comparable to US companies or troops) received reports from friendly intelligence units of a large PAVN armoured column moving towards Dong Ha, the largest South Vietnamese city near the Vietnamese DMZ located on the 17th Parallel. At about noontime, the tank crewmen of the ARVN's 1st Squadron observed enemy armour moving south along Highway 1 towards Dong Ha and promptly concealed their tanks on high ground with a good vantage point against their enemy. Waiting for the PAVN tank column to close to between 2500 and 3000 meters, the 90mm main guns of the Patton tanks opened fire and quickly destroyed nine PT-76s and two T-54s. The surviving PAVN armour, unable to locate their enemy's positions, hastily turned about and withdrew shortly afterwards.

On 9 April 1972, all three squadrons of the 20th Tank Regiment (57 M48 tanks) fought hard against enemy armour, firing upon PAVN tanks accompanied by large masses of infantry, again while occupying the strategically important high ground. This time, similarly, the Pattons opened fire at approximately 2800 meters. A few answering shots from the T-54s fell short and the PAVN tanks began to scatter after suffering considerable losses and heavy casualties. By the end of the day, the 20th claimed to destroy sixteen T-54s and captured one Type 59 at no loss to themselves. (The PAVN confirmed six tanks were destroyed or damaged) On 27 April, heralded by massive artillery attacks, a new PAVN offensive began against ARVN positions. The barrage was quickly followed by violent attacks by PAVN infantry and a T-54 tank. By 2 May, the 20th Tank Regiment had lost all of their tanks to enemy fire. During the first month of the First Battle of Quảng Trị, all ARVN M48 Pattons (100 tanks) were lost.

PAVN armoured units equipped with the T-54 tank achieved one of their largest victories in April 1972 when the PAVN 203rd Armoured Regiment attacked the ARVN's 22nd Infantry Division based at Tân Cảnh Base Camp, which dominated a main route into the city of Kon Tum, located near the 17th Parallel. After a two-day-long intense artillery barrage, eighteen T-54 tanks attacked the camp at dawn from two different directions, thus breaking apart the ARVN unit into two and splitting up its forces, which quickly abandoned its positions and withdrew. T-54 tank No. 377 had managed to destroy seven ARVN M41s before it was finally destroyed by M72 LAW anti-tank rocket launchers fielded by the South Vietnamese infantry. The PAVN destroyed 18 M41 light tanks with 31 M113 APCs and captured 17 M41s intact while losing only two T-54 tanks and one PT-76 tank in the armoured skirmish.

At the very end of the war on 30 April 1975, a PAVN T-54 smashed through the main gate of the RVN Presidential Palace in the capital city of Saigon, accompanied by onrushing North Vietnamese troops after North Vietnam conquered the South. This widely seen image has come to be regarded by many as perhaps the defining moment of the end of the bloody 20-year-long conflict in Vietnam and the fall of the Republic of Vietnam. During the war, PAVN tank units were involved in 211 battles, claimed 20,000+ enemy killed, destroyed more than 2,000 enemy tanks/APCs, 870 other military vehicles, and 3,500 enemy bunkers, and shot down 35 aircraft or helicopters, overwhelmingly using T-54s. The PAVN lost an estimated 250 (1972 - 150, 1973-1975 - 100) T-54s during the war.

Following the Vietnam War, Vietnam's T-54/55s and Type 59s continued to see much combat activity against neighbouring Cambodia and China to their north between 1978 and 1979. Just like many developing countries around the world which continue to operate the T-54/55, at least 900 T-54s, along with a similar number of T-55s and Type 59s, are still in active military service with the Socialist Republic of Vietnam until the present day. Some of them are slated to be replaced by the more modern T-90S/SK.

Ogaden War

During the largest tank battle of the Ogaden War – the Battle of Jijiga (August–September 1977), 124 Somali tanks, mostly T-55s, defeated 108 Ethiopian tanks, mainly M47 Pattons and M41 Walker Bulldogs. The Ethiopians lost 43 tanks during the battle.

Angola

T-54/T-55s began appearing in Southern Africa in the late 1970s, when many emerging Marxist states, particularly Angola and Mozambique, were bolstered with modern Soviet military hardware. The T-55's dependability and ruggedness proved well-suited to the local combat environments. Survivability of opposing medium-armour vehicles deployed by UNITA and the South African Defence Force (SADF) against late model MBTs used in the Angolan Civil War remained a major concern throughout that conflict. Angolan Army T-54s were first blooded during Operation Askari, in 1981. At least five were subsequently destroyed in encounters with South African Eland or Ratel-90 armoured cars, and some were captured. Soviet sources confirm that many T-55s were penetrated by an Eland's 90 mm low-pressure gun. Nevertheless, multiple HEAT rounds were needed to guarantee sufficient damage against a T-55's frontal arc and SADF anti-tank teams forced to operate in platoons accordingly.

During the Battle of Cuito Cuanavale, another three T-55s of Angola's 21st Brigade were shot out by Ratel IFVs armed with ZT3 Ingwe ATGMs near the Lomba River. On 9 November 1987, an engagement between South African and Angolan tanks occurred when thirteen Olifant Mk1As eliminated two T-55s in a nine-minute skirmish. T-55s again participated in a critical engagement near Cuito Cuanavale on 14 February 1988, when Cuba's 3rd Tank Battalion counter-attacked to spare Angola's 16th Brigade virtual annihilation by 61 Mechanised Infantry Battalion Group and the 4th South African Infantry Battalion. Six T-55s were lost (three to RPGs, three to Olifants and one more was damaged), but the attack blunted the South African advance, safeguarding the cohesion of the Angolan line. Cuban and Soviet sources maintain that they destroyed ten Olifant tanks and twelve Ratels, while South African and Western sources maintain that only one Olifant and one Ratel were damaged, and one Ratel destroyed.

India and Pakistan

The Indian Army has used their T-54s and T-55s extensively in its conflicts with Pakistan between the 1970s to the 1980s. Pakistan also used some T-54As and Chinese Type 59 copies.

At one point India added fake bore evacuators to its tanks, to enable them to be distinguished easily from Pakistan's tanks.

The first meeting of the T-55 with enemy tanks occurred in the area of Garibpur on 22 November 1971. Indian T-55 tanks (63 Cavalry) destroyed 3 Pakistani M24 Chaffee tanks (29 Cavalry) in the area.

On 10–11 December, during the Battle of Nainakot, Indian T-55s (14 Cavalry Scinde Horse) in two battles destroyed 9 Pakistani M47/48 tanks (33 Cavalry), without any loss.

Battle of Basantar, also known as the Battle of Barapind (4–16 December 1971), was one of the vital battles fought as part of the Indo-Pakistani War of 1971 in the western sector of India. India had destroyed close to 46 M48 tanks and losing only 10 tanks in the process.

At the end of the war, one of the last tank battles took place in the Naogaon area, a company of Pakistani Chaffee tanks attacked Indian T-55s but lost 5 Chaffee tanks and was forced to retreat to Bogra.

Russo-Ukrainian War

On 7 July 2014, a T-54 from a museum in Donetsk was commissioned into the Russian people's militias.

Footage from the Battle of Mariupol (May 2022) indicates that Ukrainian soldiers used a single T-54 which had previously been converted to a historical memorial at the Azovstal plant. The tank was removed from the pedestal, probably towed to its combat position and used by Ukrainian soldiers as a static pillbox. According to the few existing pictures, the vehicle was heavily damaged in combat and abandoned.

Ukrainian soldiers trained with 28 M-55S tanks delivered in October 2022 by Slovenia. The Model M-55S is a heavily reinforced tank that has been updated with a NATO L7 105 mm gun, upgraded armour protection, a digital ballistic computer, an upgraded engine and new tracks. In December 2022 the volunteer 47th Assault Brigade was equipped with 28 M-55S. On 14 July 2023, an M-55S received a direct hit into the upper armour by a 152 mm guided Krasnopol Russian artillery shell. The tank and crew survived due to reactive armour upgrades. A few days later on 22 July, a second Ukrainian M-55S took a direct hit west of Kreminna and exploded.

On 21–22 March 2023, photos and videos of a Russian military train with T-54s and T-54Bs appeared on social media. Images of T-55 in Ukraine first emerged in April 2023 confirming their deployment by the Russian armed forces. On 19 June, footage of a Russian T-54/55 converted into a remote-controlled VBIED being destroyed by Ukrainian forces near Marinka, Donetsk Oblast was released.

As of February 2026, Russia is visually confirmed to have suffered 24 T-54/55 losses (2 T-54-3M, 3 T-54B, 10 T-55A, 1 T-55A Obr. 1981, and 8 unknown T-54/55).

An analysis of Russian armour tactics in Ukraine by the Royal United Services Institute claimed that Russian T-55s are not deployed as front-line armour assets but as assault guns attached to infantry formations. RUSI further claimed it is due to shortages of Russian infantry fighting vehicles (IFVs), which normally fulfil the role of providing organic fire support to infantry. The T-55s' main armament range and optics are superior to those of many Russian IFVs such as the BMP-2, prompting Russian commanders to favour using them in support of infantry engagements at longer standoff ranges, where they cannot be easily countered by Ukrainian man-portable anti-tank weapons.

Other conflicts

T-54 tanks were used during the Cambodian Civil War and the Cambodian–Vietnamese War between the 1970s to the 1980s. During the Uganda–Tanzania War of 1978 to 1979, Libya sent an expeditionary military force to aid Ugandan dictator Idi Amin in his conflict with Tanzania, which included the supply of a few dozen T-54/55 tanks. Some of these tanks saw action against Tanzanian forces., with at least limited success.

In Poland in 1983–83, T-55L tanks were deployed during the imposition of martial law to intimidate the population (seemingly growing ever-more anti-communist) and to suppress overt displays against their communist government.

The T-55 was the most numerous tank of the Yugoslav People's Army (JNA). It was the mainstay of armoured combat units during the Yugoslav Wars, where it proved vulnerable to infantry equipped with anti-tank rockets and weaponry and to misemployment in urban areas and unfriendly terrain. But there were too many of them in service for them to be replaced entirely. During the Battle of Vukovar, where the JNA grouped a large part of its tank force, several were destroyed, almost exclusively by infantry-carried anti-tank weapons. The T-55 tank remained the most common tank in the armies of the various Yugoslavian successor states until recently, and it was the most used tank by all armies during the decades-long wars. T-55s were also used by Yugoslavia in the Kosovo War and Macedonia (now North Macedonia) during the 2001 insurgency in Macedonia and by Russian peacekeepers after the withdrawal of Yugoslav forces from Kosovo. The Kosovo Liberation Army (National Liberation Army of Kosovo) captured a T-55 from the Macedonian Army during the battle of Raduša.

The T-55 has been used by Ethiopia in the conflict with the Islamic Courts Union in Somalia and used by various warring factions in the Somali Civil War after the fall of the dictatorial Siad Barre regime in the 1990s.

China produced thousands of Type 59 tanks (based on the Soviet T-54A) for the People's Liberation Army, which were used during the Vietnam War and used en-masse against Vietnam in the Sino-Vietnamese War and sold the similar (but upgraded) Type 69 tanks to both Iran and Iraq during the Iran–Iraq War between 1980 and 1988. A considerable number saw action against Coalition forces during Operation Desert Storm in Iraq and Kuwait in January and February 1991 and during the US invasion of Iraq in 2003 (Operation Iraqi Freedom), with an abysmal showing against more modern tanks fielded by US and British troops, such as the M1 Abrams and the Challenger 1 and Challenger 2 tanks.

The Sri Lanka Army acquired 25 T-55As and 2 T-55 ARVs from Czechoslovakia in 1991, forming its first tank unit, the 4th Armoured Regiment of the Sri Lanka Armoured Corps. The T-55s were first used in Operation Balavegaya II in an offensive capacity. Due to the operation demands of the escalating Sri Lankan Civil War, T-55As of the regiment were deployed in pairs to forward bases to support infantry with limited training. This resulted in the capture of two T-55A tanks by the LTTE in the Battle of Pooneryn in November 1993. One of these was destroyed soon after by the Sri Lanka Air Force, while the other was operated by the LTTE until the last days of the war when it was re-captured. The T-55s spearheaded Operation Riviresa. In 2000, the army acquired Czech T-55AM2s deployed in offensive operations supporting infantry during the pitch battles of the last stages of the Sri Lankan Civil War including the Battle of Jaffna.

T-55 tanks have seen use on both sides of the 2011 Libyan civil war, with anti-Gaddafi forces either stealing them or having them contributed by defecting members of the Libyan Army.

T-55s have been used by the Sudanese Armed Forces during the conflict in South Kordofan and Blue Nile. At least 4 were captured and 1 destroyed by the Sudan People's Liberation Movement-North on 10 December 2012.

The T-55 has seen active combat service with the FARDCTooltip Forces Armées de la République Démocratique du Congo of the Democratic Republic of the Congo, supported by the United Nations Force Intervention Brigade (UN FIB), in 2013–14 during the campaign to suppress the March 23 Movement (M23) rebel group.

Russia announced that several T-55 tanks used by ISIL in Syria were destroyed in an air attack conducted by its forces on 5 October 2015.

List of conflicts

• 1955–1975: Vietnam War (North Vietnam)
• 1956: Hungarian Revolution of 1956 (Soviet Union)
• 1961–1991: Iraqi–Kurdish conflict (Iraq and Peshmerga)
• 1961–1991: Eritrean War of Independence (Ethiopia and EPLF)
• 1966–1990: South African Border War (Angola)
• 1967: Six-Day War (Egypt and Syria)
• 1968: Warsaw Pact invasion of Czechoslovakia (Soviet Union and Poland)
• 1970: Black September (Syria)
• 1971: Indo-Pakistani War of 1971 (India)
• 1973: Yom Kippur War (Egypt, Syria and Iraq)
• 1974-1975: Shatt al-Arab conflict (Iraq)
• 1974–1991: Ethiopian Civil War (Ethiopia, TPLF and EPLF)
• 1975–1990: Lebanese Civil War (Lebanese government forces and militias)
• 1975–1991: Western Sahara War (Morocco and Polisario)
• 1975–2002: Angolan Civil War (Angola and UNITA)
• 1977–1978: Ogaden War (Ethiopia, Somalia and Cuba)
• 1978–1987: Chadian–Libyan War (Libya)
  • 1986–1987: Toyota War
• 1978: Uganda–Tanzania War (Uganda and Libya)
• 1978–1989: Cambodian–Vietnamese War (Vietnam)
• 1979–1988: Soviet–Afghan War (Afghanistan and Soviet Union)
• 1979: Rhodesian Bush War (Rhodesia)
• 1980–1988: Iran–Iraq War (Iran and Iraq)
• 1981–1991: Somaliland War of Independence (Somalia and SNM)
• 1982–1983: 1982 Lebanon War (Syria and PLO)
• 1983–2009: Sri Lankan civil war (Sri Lankan government forces and LTTE)
• 1983–2005: Second Sudanese Civil War (Sudanese government forces and SPLA)
• 1989-1992: Afghan Civil War (1989–1992) (Hezb-e Islami Gulbuddin and Afghanistan)
• 1989: Romanian Revolution (Romania)
• 1988–1993: Georgian Civil War
  • 1991–1992: 1991–1992 South Ossetia War (Georgia)
  • 1992–1993: War in Abkhazia (1992–1993) (Georgia and Abkhazia)
• 1990–1991: Gulf War (Iraq)
• 1991–present: Somali Civil War
• 1991: 1991 Iraqi uprisings (Iraq, Peshmerga and Shiite rebels)
• 1991–1995: Yugoslav Wars (Yugoslavia)
  • 1991: Ten-Day War (Yugoslavia)
  • 1991–1995: Croatian War of Independence (Yugoslavia, Croatia and Republic of Serbian Krajina)
  • 1992–1995: Bosnian War (Bosnia and Herzegovina and Republika Srpska)
  • 1994: Operation Bøllebank (Republika Srpska and UNPROFOR forces)
  • 1994: Operation Amanda (Republika Srpska and UNPROFOR forces)
• 1994: Yemeni Civil War (1994) (Yemen and South Yemeni separatist forces)
• 1997: 1997 clashes in Cambodia (Cambodian government forces)
• 1998–1999: Kosovo War (Army of Yugoslavia)
• 1998–2000: Eritrean–Ethiopian War (Eritrea and Ethiopia)
• 1998: Guinea-Bissau Civil War
• 2001: 2001 insurgency in Macedonia (Macedonia)
• 2001–2021: War in Afghanistan (2001–2021) (Northern Alliance and Afghanistan.)
• 2003–2020: War in Darfur (Sudanese government forces)
• 2003–2011: Iraq War
  • 2003: Invasion of Iraq (Iraq)
• 2005–2010: Chadian Civil War (2005–2010) (Chadian government forces)
• 2006-2009: War in Somalia (2006–2009) (Ethiopia)
• 2008: Russo-Georgian War (Abkhazia and South Ossetia.)
• 2011: First Libyan Civil War (Gaddafi Government and anti-Gaddafi forces.)
• 2011–2024: Syrian Civil War (Syrian government forces, ISIS and Rebels)
• 2011–2020: Sudanese conflict in South Kordofan and Blue Nile (Sudanese Government forces)
• 2012–2013: M23 rebellion (Democratic Republic of Congo and March 23 Movement)
• 2014–2017: War in Iraq (2013–2017) (Iraq and ISIS)
• 2014–present: Russo-Ukrainian War
  • 2022–present: Russian Invasion of Ukraine (Ukraine and Russia)
• 2014–2020: Second Libyan Civil War (Libyan National Army and Government of National Accord)
• 2015–present: Yemeni Civil War (2014–present) (Hadi-government forces and Houthis)
• 2020: Second Nagorno-Karabakh War (Azerbaijani Land Forces)
• 2020–2022: Tigray War (Ethiopian government forces and Tigray Defense Forces.)
• 2023–present: Sudanese civil war (2023–present) (Sudanese-government forces and Rapid Support Forces.)
• 2025-present: 2025 Cambodia–Thailand conflict (Used by Royal Cambodian Army.)
• 2025: 2025 Afghanistan–Pakistan conflict (Taliban government)

Operators and variants

The T-55 has been used worldwide by as many as 50 countries and quasi-armies. They have been subject to many improvements throughout their production history and afterwards, and many are still in service today.

Modifications to the T-54/55 series over the years have changed almost every aspect of the vehicle. Initially, Soviet modifications included a better turret shape, improved NBC protection and an improved powerplant. Later, enhanced fire-control equipment and night-vision equipment was added.

Foreign improvements, both in Warsaw Pact nations and elsewhere, have further improved protection, powerplant, and firepower. T-54/55s have been re-armed with improved tank guns, AA machine guns, advanced armour arrays, and technologies, such as laser range finders and computerized fire control systems, that did not exist when the tank was first being built in the early days of the Cold War.

Museums with T-54/T-55 on display

• There is a T-55 captured from Iraqi forces during Operation Desert Storm at USS Alabama Battleship Park, Mobile Alabama.
• There is a T-55 on outdoor display at the Fort Polk Museum, Fort Polk Louisiana, United States.
• The Ontario Regiment Museum has an operational T-54.
• There is a T-54 outside of K-W Surplus in Kitchener, Ontario, Canada
• Museum of Military Technology "Gryf" in Gdynia, Poland offers rides in T-55A.
• There is a T-54 at the Tank Museum in Thun, Switzerland.
• A T-55 of the 73 Armoured Regiment of the Indian Army that has seen combat in the Indo-Pak war of 1971 has been installed at Terrier Chowk, Red Fields in the city of Coimbatore.
• There is a T-54AM at the German Tank Museum in Munster, Germany.
• One Czechoslovak made T-55A gifted by Germany after reunification in 1991, as OPFOR familiarization aid is on display at the Etimesgut Tank Museum in Ankara.
• An Iraqi T-55 is on display at the American Heritage Museum in Stow, Massachusetts
• There are multiple T-54/55's at the Bovington Tank Museum, Dorset, UK
• There are T-54/55 and modified Tiran versions at the Yad lashiryon museum in Latrun

General bibliography

• Cockburn, Andrew (1983). The Threat: Inside the Soviet Military Machine. New York: Random House. 3 May 1983 ISBN 0-394-52402-0.
• Dunstan, Simon (1982). Vietnam Tracks: Armor in Battle 1945–75. Osprey Publications. ISBN 0-89141-171-2.
• Foss, Christopher F., ed (2005). Jane's Armour and Artillery 2005–2006, 26th edition. 15 August 2005 ISBN 0-7106-2686-X.
• Gelbart, Marsh (1996). Tanks: Main Battle and Light Tanks. London: Brassey's. ISBN 1-85753-168-X.
• Starry, Gen. Donn A. (1989). Mounted Combat in Vietnam Archived 16 July 2009 at the Wayback Machine. Washington, D.C.: Vietnam Studies, Department of the Army. First printed in 1978-CMH Pub 90–17.
• Hunnicutt, R. P. Patton: A History of the American Main Battle Tank. ISBN 0-89141-230-1.
• Hunnicutt, R. P. Abrams: A History of the American Main Battle Tank. Volume 2. Presidio Press 1990.
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