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Stuart tank

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Stuart M5A1

M5A1 at Worthington Tank Museum

Light Tank M3A3 (Stuart V)
General characteristics
Crew 4 (Commander, gunner, driver, co-driver)
Length 4.5 m
Width 2.46 m
Height 2.3 m
Weight 12.3 tonnes
Armour and armament
Armour 51 mm
Main armament 37 mm M6 gun 174 rounds
Secondary armament 3 x .30 (7.62 mm) Browning MG 7,500 rounds
Mobility
Power plant air-cooled Continental-Wright radial petrol
250 hp (186 kW)
Suspension Vertical volute
Road speed 58 km/h
Power/weight hp/tonne
Range 120 km

The Light Tank M3 was an American light tank of World War II in use with British and Commonwealth forces prior to the entry of the USA into the European theatre. The name General/Stuart given by the British comes from the Civil War General Jeb Stuart and was used for both the M3 and M5 Light Tank, it also had the unofficial nickname of Honey. To the United States Army the tanks were officially known only as Light Tank M3 and Light Tank M5.

Contents

History

Observing events in Europe, American tank designers realized that the Light Tank M2 was becoming obsolete and set about improving it. The upgraded design, with thicker armor, modified suspension and new gun recoil system was called "Light Tank M3". Production of the vehicle started in March 1941 and continued until October 1943. Like its direct predecessor M2A4, the M3 was armed with a 37 mm gun and 5 machine guns: coaxial with the gun, on top of the turret, in front of the hull, in the right and left hull sponsons.

To relieve the demand for the radial aero-engines used in the M3, a new version was developed using twin Cadillac automobile engines. The new model (initially called M4 but redesignated M5 to avoid confusion with the M4 Sherman) also featured a redesigned hull with sloped glacis plate and driver's hatches moved to the top. Although the main criticism from the using units was that the Stuarts lacked firepower, the improved M5 series kept the same 37mm gun. The M5 gradually replaced the M3 in production from 1942 and was in turn succeeded by the Light Tank M24 in 1944.

Combat history

U.S. tanks pass through the wrecked streets of Coutances.
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U.S. tanks pass through the wrecked streets of Coutances.

M3 Stuart, manned by an Australian crew, during the final assault on Buna.
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M3 Stuart, manned by an Australian crew, during the final assault on Buna.

The British Army was the first to use the M3 as "Stuart" in combat. In November 1941, some 170 Stuarts took part in Operation Crusader. The results were mostly disappointing. Although the high losses suffered by Stuart-equipped units during the operation had more to do with better tactics and training of the Afrika Korps than with any superiority of German vehicles, the operation revealed that the M3 lagged behind enemy tanks. Mentioned in the British complaints were the 37 mm gun - too weak by the standards of 1941 - and poor internal layout. The two-man turret crew was a significant weakness, and some British units tried to fight with three-man turret crews. On the positive side, crews liked its quickness and mechanical reliability, hence its other nickname, "Honey". The high speed and high reliability distinguished the Stuart from British cruiser tanks of the period. From the summer of 1942, when enough US medium tanks had been received, the British usually kept Stuarts out of the main battlefront, using them primarily in reconnaissance. The turret was removed from some tanks to save weight and hence improve speed and range. These vehicles became known as "Stuart Recce". Some others were converted to armored personnel carriers and command vehicles. M3s, M3A3s, and M5s continued in British service until the end of the war, but British armor units had a smaller proportion of these light tanks than US units.

The other major lend-lease recipient of the M3, the Soviet Union, was even less happy with the tank, considering it undergunned, underarmored, likely to catch fire and too sensitive to fuel quality. The radial aircraft engine used in the M3 required high-octane fuel. However, the M3 was superior to early-war Soviet light tanks such as the T-60. In 1943, the Red Army tried out the M5 and decided that the upgraded design wasn't much better than the M3. Being less desperate than in 1941, the Soviets turned down an American offer to supply the M5. M3s continued in Red Army service at least until 1944.

In US Army service, the M3 first saw combat in the Philippines. A small number fought in the Bataan peninsula campaign. When the U.S. Army joined the North African Campaign in late 1942, Stuart units still formed a large part of its armor strength. After the disastrous Battle of the Kasserine Pass, where M3s and M5s faced German Panzer IVs and heavy Tigers, the US quickly followed the "British route", disbanding most of their light tank battalions and attaching companies of Stuarts to medium tank battalions, to act as scouting and screening units. For the rest of the war, most US tank battalions had three companies of medium tanks (normally the M4 Sherman) and one company of M3s or M5/M5A1s.

In the European theatre, the light tanks had to be given secondary roles since they could not survive against most enemy AFVs. The only place where the Stuart was still adequate was the Pacific Theater, as Japanese tanks were both relatively rare and, when met, were weakly armored and armed. Japanese infantry were poorly equipped with anti-tank weapons, and tended to attack tanks using close-assault tactics. In this environment the Stuart was only moderately more vulnerable than medium tanks.

However, the number of M3s/M5s produced was so great (over 25,000 including the M8 HMC), that the tank remained in service until the end of the war. In addition to USA, Britain and USSR, it was also used by France, China and Tito's partisans in Yugoslavia (M3A3s and few M3A1).

After the war, some countries chose to equip their armies with cheap and reliable Stuarts. The M5 played a significant role in the First Kashmir War (1947) between India and Pakistan. The vehicle remained in service in several South American countries at least until 1996.

Portugal also used some in Angola during the 60's and 70's, were is all terrain capability, compared to whelled vehicles, and fire power were greatly apreciated.

Variants

M3 Stuart tank in Fort Knox, 1942.
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M3 Stuart tank in Fort Knox, 1942.

M3A1 tank in Yad la-Shiryon Museum, Israel.
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M3A1 tank in Yad la-Shiryon Museum, Israel.

M3A1, side view.
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M3A1, side view.

Early production M5A1 at Worthington Tank Museum.
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Early production M5A1 at Worthington Tank Museum.

UK variants

Brazilian variants

In 1970s Brazilian company Bernardini developed a series of radical Stuart upgrades for the Brazilian Army.

Operators

Australia, Belgium, Brazil, Chile, Republic of China, Colombia, Cuba, Ecuador, El Salvador, France, Greece, India, Italy, Mexico, Netherlands, Paraguay, Portugal, Turkey, UK, Uruguay, USA, USSR, Yugoslavia.

Movie Appearance

The Stuart tank in the movie "Tank Girl".
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The Stuart tank in the movie "Tank Girl".

A heavily modified M5A1 Stuart was featured in the movie Tank Girl as the eponymous heroine's tank.

See also

References

External links

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