
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The Bison used an enlarged Panzer II chassis to allow the heavy 15cm infantry gun to keep up with the infantry in attacks. Using a larger chassis and a less powerful gun than the 15cm (Sf ) Lorraine Schlepper, it was able to fight a mobile battle, making it more effective in an assault role. The Bison batteries were attached to infantry regiments to give them heavy close-support.
The Bison used an enlarged Panzer II chassis to allow the heavy 15cm infantry gun to keep up with the infantry in attacks. Using a larger chassis and a ...