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M1A2 SEP (System Enhancement Package): A series of upgrades to the M1A2, including SEP v2 and SEP v3, with further improvements. [ 217 ] [ 218 ] Hoisted power pack; Top left section: Engine lubricating-oil cooler heat exchanger (HE).
The A4 (formerly E4) variant was under development by General Dynamics Ordnance & Tactical Systems and Alliant Techsystems (ATK) [9] until ATK received a $77 million, three-year contract on 11 July 2011 to develop and qualify the M829A4 Advanced Kinetic Energy (AKE) round for the U.S. Army's M1A2 SEP (System Enhancement Package) Abrams MBT. [10]
The Army had planned to build prototypes by 2014 and to begin to field the first combat-ready M1A3s by 2017, but this never came to pass. Instead, the U.S. Army produced incremental improvements to the M1A2 in the system enhancement packages, culminating in the M1A2 SEPv3. The SEPv4 had begun testing when the program was cancelled.
In May 2023, the decision to buy 54 used M1A2 Abrams from US Army stocks was approved by the Parliament of Romania. The Romanian M1A2 variant is designated M1A2R. [59] [60] Russia: T-54/55: 30 [4] Soviet Union: Some were re-activated and put into active service because of the 2022 Russian invasion of Ukraine.
Students complete six exams and an all-hands-on exams with 100% accuracy. This is the most focused of the courses offered at the Armor School, with eighteen students per class and a 2:1 student to teacher ratio. It focuses on the M1A2 Abrams System Enhancement Package (SEP) Tank. [17]
Because the Wolverine is essentially an M1A2 SEP tank with Leguan [1] bridge-laying gear instead of a turret, it shares virtually all of the parent vehicle's speed, mobility, survivability, and automotive components. This commonality was a key design factor in the Wolverine's development.
The Avco-Lycoming AGT1500 is a gas turbine engine.It is the main powerplant of the M1 Abrams series of tanks.The engine was originally designed and produced by the Lycoming Turbine Engine Division in the Stratford Army Engine Plant.
To improve the lethality of the M1A2 main battle tank, the US Army funded the Advanced Tank Armament System (ATAS) research project to integrate a longer gun tube. [10] The long tube is based on the German Rh-120 L55 tube, made by Rheinmetall, and is 1.3 m longer than the conventional M256 120 mm gun tube.