It can be done

Just not by a few mindless tanks trying to defend a location against tanks that can pop them in 1 hit. With all armor, aim & timing and stealth is key.
Anyone driving top gear, tryin' to take pot shots at a enemy "who now knows exactly where they are because of the incoming round" is total stupidity.
Remember, the FF would stay put,as the sharmans rushed the target.
Well we dont have shermans, but like stated before, i would use my m4 buddys as bait as i rushed in and poped them from behind.
Use your brains and skill to evade if need be, dont take anything head on that has a gun bigger than the m8's otherwise you will end up taking hits, and no armor is god like.
Altho you can always do what i do, find a tank buddy and use him as a meat shield :)Will save you from at least one FF hit,lol.
Ehy,it isnt nice..but if it works..ill assign a Lt. abouttodie if it saves me from being hit. The ground war is your war, play it like a fool and rush in,you can only survive untill that next round takes you out.
Also IF you do have incoming rounds, you Do have time to try and turn your tank to evade the round.
Time them, and you can close to stupid ranges quickly even in a m8,all while your enemy slings shell after shell to your left and right sides.
It works, with skill and good timing.
That is all.