There is a third smaller sub between the two Kilos and the pier.
The Kilo Class (Project 877) submarine was designed for anti-submarine and anti-ship warfare in the protection of naval bases, coastal installations and sea lanes, and also for general reconnaissance and patrol missions. The Kilo is considered to be to be one of the quietest diesel submarines in the world.
Sea - Military - Submarines
Links: www.globalsecurity.org
By: kjfitz