It is six months since the Russian Federation invaded Ukraine. Both sides are presently in the wedge, involving far over half a million soldiers and thousands of hardware units on the line. The dimension of the front line reaches 2 and a half 1000 kilometres, of which the active action is little than half. There has been no conflict on specified a scale and on specified strength since the times of the planet wars - writes Colonel Rez. Piotr Lewandowski, in the first part of the analysis of the war in Ukraine.