The Type 039 (NATO reporting name: Song class) is the diesel-electric submarine of the PLA Navy (PLAN). At least 16 hulls have been delivered to the PLA Navy since 1994.
The first-of-class of the Type 039 submarine No.320 was launched 1994 at Wuchang Shipyard, and started sea trials in August 1995. However, the submarine was not fully operational until 1999
The Kilo class is the NATO reporting name for a military diesel-electric submarine that is made in Russia. The original version of the vessels were designated Project 877 Paltus in Russia. There is also a more advanced version, designated as Improved Kilo in the west, and Project 636 Varshavyanka in Russia.
The boats are mainly intended for anti-shipping and