The military educational muster for officers was being held near village Kamenka in Saint-Petersburg region during the whole week from the 23th till the 27th of May .
Officers from all the country gathered here to improve their command skills.
Most of them serve in some secret units, that is why they didn't want their faces to be shown.
The main purpose of this meeting is to make officers remember their military knowledge.
The summer period of trainings for personnel directions begins from the 1st of June in all units and formations of the Western military district.
While officers commanded, soldiers were running, jumping and shooting.