The Northern Fleet.
The surface of the sea, the view of the shore.
Submarine D-3 at sea, the work of the engine room and the torpedo compartment.
Calendar: 1942
Submarine, engine room, and torpedo room.
The gunner at the periscope.
Periscope over water.
Hit an enemy ship in the crosshair.
The periscope descends.
The sailors.
Calendar: 1942