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- Creighton Williams Abrams Jr. (September 15, 1914 – September 4, 1974) was a United States Army general who commanded military operations in the Vietnam War from 1968 to 1972. He was then Chief of Staff of the United States Army from 1972 until his death in 1974.
en.wikipedia.org/wiki/Creighton_Abrams
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The M1 Abrams (/ ˈeɪbrəmz /) [10] is a third-generation American main battle tank designed by Chrysler Defense (now General Dynamics Land Systems) and named for General Creighton Abrams. Conceived for modern armored ground warfare, it is one of the heaviest tanks in service at nearly 73.6 short tons (66.8 metric tons).
- 9 ft 5.6 in (2.885 m)
- 1979-85
- 32 ft 0.5 in (9.77 m)
- 12 ft (3.7 m)
- Background
- Development
- Design Features
- Major Models
- Users / Service
As early as the 1960s the U.S. Army recognised the need fora new model of tank to meet its future combat requirements. The primary US tankat that time, the M60, was an evolutionary development of the M48 Patton, whichin turn was ultimately derived from the M26 Pershing of the late Second WorldWar. A development program was launched in co-operation ...
The U.S. Army laid requirements for the new MBT in 1972 and reassessed them in the light of Yom Kippur in 1973. The revised specification called for an increase in weight to 60 tons (54 tonnes), fitting of the new British-developed “Chobham” composite armor and an M68 105mm rifled cannon. Both Chrysler Defense and General Motors were issued contrac...
Armament:
The cannon fitted to the early Abrams (M1 and M1IP versions) was the M68A1 105mm rifled gun, an updated version of the same gun used by both the M60 and the upgraded M48. This gun was a licence-built copy of the British Royal Ordnance L7. The development of more advanced 105mm rounds like the Depleted Uranium (DU) penetrator M833 round meant the 105 mm was to remain viable despite the fielding of advanced Soviet tanks such as the T-64 and T-72. However, during the prototype stage of the M1s d...
Protection:
Whilst the rear hull of the M1 is made from RHA steel, theturret, glacis and hull forward quarter is protected by Chobham composite armor. This is composed of ceramic tiles encased within a metal latticeand bonded to a backing plate and several elastic layers. The hardness of theceramics offers superior resistance against shaped charges such as highexplosive anti-tank (HEAT) rounds and also the ability to shatter the kineticenergy penetrators of APDS/APFSDS projectiles from certain angles. A...
Propulsion:
As already stated, the Lycoming (later Honeywell) AGT 1500multi-fuel gas turbine is the unique engine choice for the M1. Delivering 1,500shaft horsepower (1,100 kW) it runs via a six-speed (four forward, two reverse)Allison automatic transmission. Top speed was 45 mph (72 km/h) on paved roadsand 30 mph (48 km/h) cross-country with a governor in the early models, reducedto 42 mph and 25 respectively on later, heavier models. Such performance figures were a revelation to crewmen usedto the more...
A host of different variants of the M1 Abrams have seen production and use, but the principle combat models are as follows:
Australia– 59 M1A1 Egypt– 1,360 M1A1 Iraq–Between 2010 and 2012 the U.S. supplied 140 refurbished M1M Abrams tanks to Iraq. Used in action against ISIS in 2014-2017 around 30 of these Iraqi M1s were captured by ISIS after being abandoned by their crews. In December 2014 the U.S. Department of State approved the sale of another 175 Abrams to Iraq. S...
The M1A2 Abrams is a formidable main battle tank used by the U.S. Army. Weighing around 68 tons, it features advanced armor, firepower and mobility. Its primary armament includes a 120mm Smooth...
Aug 5, 2020 · The general scheme is derived from the “Burlington” armour tested on the Chieftain. It is a multi-layered armour combining various alloys of steel, sandwiched with ceramics and plastic composites, including kevlar. The order of these layers and relative thickness are top secret and classified.
- Lieutenant
Jan 26, 2023 · A look at the M1 Abrams tanks, why it is important to Ukraine's war with Russia, and what drove the Biden administration's tank turnabout.
Aug 25, 2020 · M1A2 Abrams tank has a two-axis Raytheon gunner’s primary sight – line of sight (GPS-LOS), which increases the first round hit probability by providing faster target acquisition and improved gun pointing.
Sep 8, 2021 · Gen. Creighton Abrams, the legendary leader tasked with reorganizing our Army into an all-volunteer force after the Vietnam War, spent much of his time thinking about how to get – and keep – great...
