elena kolsova was also a graduate of the unit.age groups, which regularly dropped into the occupied territory of the republic, pinned down significant enemy forces with their actions. due to the undermining of the tracks, the germans constantly increased the density of troops along the track. they were removed from the reserves from the front line. it was difficult. more than 100 sabotage groups, only one special unit 9903, were sent to the occupied territory of the republic. five more special schools trained specialists for partisan detachments, among them a special special school number 105, personnel for intelligence work. central special school number three. prepared birth attendants, number two, sub-rears, the highest special-purpose operational school to carry out tasks to destroy particularly important objects and communications. many joined partisan detachments. many group commanders became organizers of the partisan movement in entire regions. but the people's war expanded due to the influx of different segments of the po