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It is true that I mentioned going Infantry Company for access to Time On Target off-map artillery to destroy leFHs, however in my main post I suggested to rather make leFH a clone of ML20 as that would make it less obnoxious than it is now with the OP vet1 counter barrage ability. Spreading the anti-howitzer tools across different commanders would improve the variety though, so one could possibly swap TOT with other commander's off-map arty.
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Lefh is need to have some way to soft counter SPA. Howitzer can be countered by both on map and off map artillery. Both methods are far less effective SPA.