There were far more Soviet anti-tank guns, minefields and anti-tank ditches than had been anticipated, making a breakthrough more difficult to achieve, and they faced frequent counterattacks from tank units brought up from the Front's reserve.
There were far more Soviet anti-tank guns than had been anticipated, making a breakthrough more difficult to achieve. There were far more minefields than had been anticipated, making a breakthrough more difficult to achieve. There were far more anti-tank ditches than had been anticipated, making a breakthrough more difficult to achieve. They faced frequent counterattacks from tank units. These tank units were brought up from the Front's reserve.