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M1E3: The US Army’s tank 'answer' to the drone age

The U.S. Army is developing the M1E3, a significantly redesigned Abrams tank, skipping the planned M1A2 SEPv4. -Distinct from ...
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From SEPv4 to M1E3: Inside the U.S. Army’s Bold Move Toward a Lighter, Smarter Abrams Tank

The U.S. Army has formally declared a dramatic shift in its main battle tank modernization policy, deciding to skip the previously scheduled M1A2 System Enhancement Package version 4 (SEPv4) and ...