the tiger was a T34 which was converted to look like a tiger. if you look closely you can see the T34 undercarriage and you will notice that the turret is too much to the front of the main body.

there were no SS units in the first few days of fighting, since hitler refused to deploy the panzer divisions until later in the campaign.

The top hatch of the tiger would have been sealed from the inside, so pulling it open to shoot down it and throw a grenade in it was not likely either.

the Atlantic wall was a joke in the movie. 1 bunker and 1 sandbag position. all other trenches were behind the coastal cliffs. it makes no sense. I have seen the normandy beaches and it is littered with bunkers

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*** We shall not retreat, nor shall we surrender. If we cannot stay here alive, we shall stay here dead***