In the framework of army surprise checks three groups of military ships together with pilots will drill the search for enemy submarines.
According to the representative of the Defense Ministry, the group uniting ships of different types, started its activity in the chosen parts of the Barents Sea.
The crews execute tactical maneuvering with hydro acoustical instruments for searching submarines and fire rocket launch pads.
This training will help to provide for the safety of atomic submarines of the Northern fleet.
Moreover two auxiliary units sustain the activity.