What would a Challenger 2 or M1 Abrams main battle tank look like if they had modular armor, like that on the Leopard 2, instead of Chobham armor? - Quora

Does the US Army's M1 Abrams main battle tank carry substantially more armor than other modern tanks like the Challenger 2, Leopard 2, and Merkava since it is the heaviest of the

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What are the differences between the M1 Abrams and Challenger II tanks in terms of armor and firepower? - Quora

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British Challenger 2 vs American M1 Abrams tank

In which ways is the Leopard 2 superior to the M1 Abrams? - Quora

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What happens if the current classified/secret Chobham armor for the M1 Abrams tank is leaked online? How? Why? - Quora

What is the Chobham armor? Why did the US not use it on their M1 Abrams tanks? - Quora