Submarines
Attack Submarines (Diesel-Electric)
Type 209/1400 (German-built) LOA 201′ / 61.3 m TDISP 1,580 tons submerged (3 active, service since 2016)
Romeo Class (Both Soviet Russian Romeos and Chinese Type 033 – built) LOA 250′ / 76.2 m TDISP 1,830 tons submerged. Modernized to carry Harpoon missiles. Final variant of Romeo design called ES5B, with many updated features. (6 retired, 2 possibly still active as dock-side trainers) 
The Searchers 