The Army's M1 Abrams Tanks Are Officially Getting A Major Upgrade

Military Tech

General Dynamics Land Systems has secured a production contract from the U.S. Army to upgrade 100 Abrams main battle tanks into the new M1A2 SEP v.3 configuration. The Army had earlier accepted the first of about a half-dozen initial production versions of the modernized main battle tank late last year.


“The U.S. Army has signed a delivery order for General Dynamics Land Systems to upgrade 100 more M1A1 Abrams Main Battle Tanks to the state-of-the-art M1A2 System Enhancement Package Version 3 (SEPv3) configuration,” reads a statement from General Dynamics. “The delivery order is part of an Army Requirements Contract signed in December 2017 through which the Army can upgrade up to 435 M1A1 Abrams tanks to the M1A2 SEPv3 configuration. The M1A2 SEPv3 configuration features technological advancements in communications, reliability, sustainment and fuel efficiency, plus upgraded armor.”

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Maj. Gen. David Bassett, program executive officer for Ground Combat Systems, sang the new tank’s praises late last year as the service took delivery of the first of the upgraded machines.

"The Abrams M1A2 SEPv3 is the first in a series of new or significantly improved vehicles that we will be delivering to the Army's ABCTs," Basset said.

"It is a great step forward in reliability, sustainability, protection, and onboard power which positions the Abrams tank and our ABCTs for the future. Even in a fiscal environment that has greatly hampered our ability to move towards entirely new vehicles, the Abrams M1A2 SEPv3 shows we can still deliver meaningful and operationally relevant improvements."

The M1A2 System Enhancement Package Version 3 (SEP v3) variant of the beloved M1 Abrams main battle tankPhoto via General Dynamics Land Systems

According to the Army, M1A2 SEPv3 improvements include the following:

Joint Tactical Radio System: Integration of the Government Furnished Equipment Joint Tactical Radio System Handheld, Manpack, and Small Form Fit radio to support the need to establish network readiness and maintain battle command and communications interoperability with future Brigade Combat Teams.

Power Generation and Distribution: Aspects include Improved Amperage Alternator, Slip Ring, Enhanced Hull Power Distribution Unit/Common Remote Switching Modules, and the Battery Monitoring System. These technologies address the power demand growth potential and the need for dissemination of critical information.

Line Replaceable Unit/Line Replaceable Modules Redesign: Migration of current force Abrams platforms to a two-level maintenance scheme can be initiated through the implementation of Line Replaceable Module technology.

Counter Remote Control Improvised Explosive Device Electronic Warfare V3: Counter Remote Control Improvised Explosive Device Electronic Warfare/Duke V3 is the latest version from PM CREW.

Ammunition Data Link: The ADL is required to program the M829A4 Advanced Kinetic Energy and Advanced Multi-Purpose rounds.

Auxiliary Power Unit: The under armor APU provides capability to operate on-board systems with a reduced probability of detection during silent watch operations.

Armor Upgrades: The Abrams Tank will continue to advance its ballistic protection to counter the latest threats and maintain battlefield superiority.

The SEP v3 is only the first of several in a series of upgrades to the Abrams. Up next is the SEP v4, as Kris Osborn at partner site Warrior Maven reports. The forthcoming SEP v4 variant—which is expected to start testing in 2021—will include new laser rangefinder technology, color cameras, integrated on-board networks, new slip-rings, advanced meteorological sensors, ammunition data links, laser warning receivers and a more lethal, multi-purpose 120mm tank round, Bassett told Warrior Maven.

U.S. soldiers with the 2nd Battalion, 7th Infantry Regiment, 1st Armored Brigade Combat Team, 3rd Infantry Division, fire an M1A2 SEPv2 Abrams Main Battle Tank during exercise Combined Resolve VII at the 7th Army Training Command in Grafenwoehr, Germany, Aug. 18, 2016.U.S. Army photo

However, after the completion of the SEP v4 modification, the Army will have to move on from the long-serving Abrams design. New Russian and Chinese tanks such as the T-14 Armata and the Type 99 are now competitive with the Abrams. Meanwhile, many allied designs such as the Leopard 2A7+ and the latest Israeli Merkava IV Barak are arguably superior to the existing M1 variants.

The U.S. Army Tank Automotive Research, Development, and Engineering Center is currently studying concepts for various next-generation tank platforms, Bassett told Warrior Maven last year.

“We’ve used concept modeling. What are the limits of what you can do? What does a built-from-the-ground-up vehicle look like? We are assuming, if we are going to evolve it, it is because there is something we can't do in the current vehicle,” Bassett said.

Thus, the M1A2 SEP v3 represents not only the current zenith of the Abrams design, but it also marks the beginning of a transition to a new vehicle.

This article originally appeared on The National Interest

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