Attack submarines

Attack submarines
Alan Rowlands · Public domain · source
Name	Attack submarines
Type	Submarine

Attack submarines are fast, maneuverable submarines designed for anti-ship, anti-submarine, and reconnaissance missions. They operate in littoral and blue-water environments, supporting carrier strike groups, convoy protection, and special operations. Key operators include United States Navy, Royal Navy, Russian Navy, People's Liberation Army Navy, and French Navy.

Overview

Attack submarines perform multi-mission roles in modern navies such as United States Navy, Royal Navy, Russian Navy, People's Liberation Army Navy, French Navy, Indian Navy, Japan Maritime Self-Defense Force, Italian Navy, Royal Australian Navy, Republic of Korea Navy, and Brazilian Navy. They engage in anti-surface warfare near Gulf of Aden, South China Sea, and North Atlantic Treaty Organization patrol areas, support carrier groups like United States Pacific Fleet and Carrier Strike Group 12, and conduct intelligence tasks for commands including NATO and United States Central Command. Attack submarines operate alongside platforms such as Arleigh Burke-class destroyer, Ticonderoga-class cruiser, HMS Queen Elizabeth, and Charles de Gaulle.

Design and Technology

Design balances hull form, acoustic signature, and payload for nations that field classes such as Los Angeles-class submarine, Virginia-class submarine, Akula-class submarine, Seawolf-class submarine, Collins-class submarine, Type 212 submarine, Sōryū-class submarine, Scorpène-class submarine, and Astute-class submarine. Naval architects from institutions like Admiralty and companies such as General Dynamics Electric Boat, ThyssenKrupp Marine Systems, Navantia, DCNS, and Mitsubishi Heavy Industries optimize pressure hull materials like HY-80, HY-100, and titanium used in K-141 Kursk development. Sensors integrated by firms including Raytheon, BAE Systems, Thales Group, and Lockheed Martin feed combat systems derived from programs like Aegis Combat System adaptations and national programs exemplified by Project 75 and SSN(X).

Propulsion and Stealth

Propulsion options span nuclear reactors in USS Nautilus (SSN-571) lineage and air-independent propulsion in Type 212 submarine and Sōryū-class submarine derivatives. Diesel-electric boats with battery upgrades and Stirling engines in Gotland-class submarine remain relevant for operations near Baltic Sea and Gulf of Finland. Nuclear-powered attack submarines (SSNs) in fleets like United States Navy and Russian Navy provide endurance for missions from Barents Sea to Indian Ocean, while non-nuclear submarines undertake covert patrols in chokepoints such as Strait of Hormuz and Malacca Strait. Acoustic stealth is pursued via anechoic tiles pioneered in U-boat modifications, pump-jet propulsors used on Astute-class submarine, and vibration isolation systems inspired by German Type XXI developments.

Weapons and Sensors

Armament includes heavyweight torpedoes like Mark 48, Trident II as SLBM contrast in strategic forces, and anti-ship missiles such as Harpoon, Exocet, and indigenous cruise missiles exemplified by Kalibr and Tomahawk conversions. Modern boats feature vertical launch systems as on Virginia-class submarine Block III and cruise missile adaptations in Yasen-class submarine. Sensors combine bow sonar arrays, flank arrays, towed arrays, and optronic masts provided by contractors like Saab, Kongsberg Gruppen, and Sagem. Electronic warfare suites and sonar processors link to command centers comparable to Fleet Cyber Command and partner networks like Allied Maritime Command.

Operational Roles and Tactics

Tactics include hunter-killer patrols used by USS Seawolf (SSN-21) contemporaries, barrier operations demonstrated in Battle of the Atlantic studies, and intelligence, surveillance, and reconnaissance missions supporting operations such as Operation Neptune Spear planning analogues. Special forces delivery for units like United States Navy SEALs, Special Boat Service, and Spetsnaz is facilitated by lockout chambers and dry deck shelters seen on Royal Navy and Russian Navy platforms. Anti-submarine warfare coordination often occurs with assets such as P-8 Poseidon, Sikorsky SH-60 Seahawk, and E-2 Hawkeye in carrier strike group tasking.

Historical Development

Origins trace to early designs like HMS Holland (SS-1), through World War I and World War II innovations including U-boat tactics and USS Nautilus (SSN-571) ushering nuclear propulsion. Cold War competition accelerated SSN development in programs like Permit-class submarine, Kraken-era Soviet projects and Western responses culminating in Los Angeles-class submarine, Akula-class submarine, and Seawolf-class submarine. Post-Cold War evolution emphasized quieter electric drives, AIP adoption seen in Gotland-class submarine, and networked warfare integration following lessons from Falklands War and Gulf War maritime operations.

Notable Classes and Operators

Prominent classes and operators encompass Los Angeles-class submarine and Virginia-class submarine (United States), Astute-class submarine and Vanguard-class submarine (United Kingdom), Akula-class submarine and Yasen-class submarine (Russia), Sōryū-class submarine and Taigei-class submarine (Japan), Type 212 submarine and Type 214 submarine (Germany), Scorpène-class submarine (France/Spain), Collins-class submarine (Australia), Kilo-class submarine (Soviet export), and Archer-class submarine derivations in various navies. Operators often coordinate through frameworks such as NATO and bilateral arrangements like ANZUS partnerships.

Category:Submarines