One of the most water wars vehicles manufactured by the military is a lot of submarines, because in addition to the vehicle, submarines are also often used as a deadly weapon combat.
Here is a list of 10 most lethal submarine in the world which was released by the sophistication of weapons combat along with cruising speed:

10. Los Angeles Class - USA The speed reached 20 knots with combat weapons specifications tubes10Mk48 4 bow torpedo ADCAP reloadsTomahawk land attack missile SLCM block 3, Harpoon anti-surface ship missile, Mine laying Mk67, Mk60 Mobile captor mines.
9. Rubis Class - France The speed reached 25 knots with a weapon specification 4 Anti-submarine combat tubesF17 mod2 torpedoes14 SM39OR Exocet, Mines in place of torpedoes.
8. Victor III Class - SovietUnion
Speed reached 32 knots with combat weapons specification 2 x SS-N-15 'Starfish' anti-submarine missiles, plus 2 x SS-N-21 'Sampson' cruise missiles or 2 x SS-N-16 ' Stalion 'missiles2 x 650-mm and 6 x 533-mm bow tubes (two 533-mm 406-mm tubes with liners). 6 x 650-mm torpedoes's up to 18 x 533-mmOR, 36 ground mines in place of torpedoes. 7. Sierra Class - Soviet Union
Speed reached 10 knots with combat weapons specification SS-N-15 Starfish or SS-N-16 Stallion anti-submarine missiles; SS-N-21 cruise Samson missiles4 x 650-mm and 4 x
533-mm torpedo tubesOR , 42 mines in place of torpedoes.
533-mm torpedo tubesOR , 42 mines in place of torpedoes. 6. Trafalgar Class - UK
Speed reached 30 knots with combat weapons specification of 5 x 21 inch torpedo tubesTomahawk land-attack cruise missilesSpearfish heavyweight wire-guided torpedoes. Harpoon anti-surface missiles. 5. Type 093 Shang Class - China
Speed reached 35 knots with combat weapons specifications YJ-82
anti-ship missiles6 x 533-mm torpedo tubes.
4. Astute Class - UK
anti-ship missiles6 x 533-mm torpedo tubes. 4. Astute Class - UK
Speed reached 29 knots with the specifications of Tomahawk cruise missiles combat weapons; Harpoon anti-ship missiles in place of torpedoes6 x 533-mm bow tubes for 36 Spearfish
torpedoesOR. Mines in place of torpedoes.
3. Seawolf Class - USA
torpedoesOR. Mines in place of torpedoes. 3. Seawolf Class - USA
Speed reached 18 knots with combat weapons specifications 8 x 660-mm torpedo tubes for 50 torpedoes or cruise missiles OR Up to 100 mines in place of torpedoes or missiles. 2. Akula II Class - Soviet UnionSpeed reached 12 knots with combat weapons specification 4 x 650
mm and 4 x 533-mm torpedo tubes for up to 40 torpedoes or missiles OR Up to 42 mines in place of torpedoes. 1. Virginia Class - USA
Speed reached 25 knots with the specifications of combat weapons systems 12 x vertical launch tubes for Tomahawk UGM-109 missiles4 x 533-mm bow tubes for Mk.48 torpedoes, Smart mines in place of torpedoes.