routes that allowed the enemy to move from north to south, goes to izyum, from kupyansk goes to balakleyare strong prepared positions, we carefully prepared for the operation, this is detailed studying the enemy, this is knowledge of his structure, his features, his condition, including morale, this is of great importance, this is knowledge of our capabilities, this is detailed planning of actions, we planned the operation for five days in order to pass from the point there is a wolf ravine, through the vlachs in the direction. the most important thing was to break the front line and the enemy's defenses, ours also spent about 60 percent of the planning of the operation, the relief was printed on a 7 m map, each... each unit knew in detail what it was doing at different points in time the 92nd brigade fought defensive battles in that direction for a long time and knew the terrain of the region very well and was mainly staffed with personnel from the kharkiv region, then the 25th armored landing brigade was selected, the 80th, a separate airborne assault brigade, and, accordingly, more par