Other modifications within the vehicle will include upgrades to the IVIS system (color display, full size keyboard, digital mapping and graphics generation capability, and voice recognition capabilities), upgrades to the Gunner's Primary Sight assembly, and improvement in the tank's intercom and radio communications systems. Most notable among the modifications will be the introduction of a standard under armor auxiliary power unit and the addition a crew compartment air conditioning and cooling unit. The driver's instrument display has been upgraded to a more detailed digital display and the Gunner's Primary Sight has been stabilized in two axes for increased accuracy.Īpproved for implementation in 1995, the M1A2 SEP (System Enhancement Package) is a technology upgrade and standardization program, whereby the Army's fleet of M1s and M1A2s will all be brought to a common standard. Power distribution throughout the tank has been improved, relying on multiple bus paths so that in the event one conduit is damaged, power may still be delivered to a component via an alternate path. In addition to IVIS and the CITV, the M1A2 incorporates a number of additional electronic upgrades. This CITV sight allows the commander to independently scan for targets in all weather conditions and through battlefield obscurants. Improving on the "hunter-killer" tank commander-gunner target hand off method pioneered on the German Leopard II, the M1A2 takes this a step further by providing the Tank Commander with an independent thermal sight. To ensure information security, all IVIS data transmissions are routed through the M1A2's SINCGARS radio system. M1A2 Abrams tanks from the 1st Cavalry Division participate in a live fire training exercise. Lastly, map graphic control measures and operational orders can be rapidly distributed via the IVIS system. In addition enemy positions can be identified, plotted and disseminated, while reports and artillery requests can be automatically formatted, transmitted, and processed. By incorporating information provided by an on board Position/Navigation (POSNAV) system, unit commander's can track the location and progress of subordinate elements automatically, without tasking vehicle crews. Most notable of these improvements is the addition of the Inter-Vehicle Information System (IVIS.) The IVIS system allows for the automatic and continual exchange of information between vehicles. Internally, however, the M1A2 has been radically redesigned to take advantage of newer technology. Outwardly similar in appearance to the M1A1, the most notable exterior changes on the M1A2 are the redesigned Commander's Weapon Station (CWS) and the addition of a Commander's Independent Thermal Viewer) on the left side of the turret forward of the loader's hatch. Army’s technological improvement of the basic M1A1 design and the most modern battle tank in the world. Categories Military Vehicles Army Vehicles Marine Corps Vehicles Tanks Army Equipment Marine Corps EquipmentĪpproved for production in 1990, the M1A2 represents the U.S.
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