T45 HVAP
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T45 HVAP was a hypervelocity, armor-piercing round for the M4 Sherman tank. It was similar to the M93 HVAP, but compatible with the original 75 mm cannon in most Shermans.
Upgraded ammunition played a decisive role at the Battle of Arracourt, where overconfident Panthers found out that their tanks were vulnerable to ordinary Shermans.