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| SBS (Special Boat Service) | |
|---|---|
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| Unit name | Special Boat Service |
| Dates | 1940–present |
| Country | United Kingdom |
| Branch | Royal Navy, United Kingdom Special Forces |
| Type | Special forces |
| Role | Maritime counter-terrorism, reconnaissance, direct action |
| Size | Classified |
| Command structure | United Kingdom Special Forces |
| Garrison | Classified |
| Motto | "By Strength and Guile" |
| Notable commanders | Sir David Stirling, Alastair McGregor |
SBS (Special Boat Service) is the United Kingdom's principal maritime special forces unit, operating in littoral, riverine and maritime environments and integrated within United Kingdom Special Forces. Formed during the Second World War, the unit traces lineage to raiding forces active in the Mediterranean and North Africa campaigns and today undertakes specialised reconnaissance, counter-terrorism and direct action tasks for national and coalition operations. The unit works alongside other elite formations such as Special Air Service, Royal Marines Commandos, SAS Regiment, MI6 and international partners including United States Navy SEALs, GIGN and KSK.
The origin of the unit lies in early Second World War initiatives like the Special Operations Executive, No. 8 (Guards) Commando, Malta-based raiding parties and operations in the Aegean Sea and Sicilian Campaign. Post-1945 reorganisations linked traditions from the Small Scale Raiding Force, Special Boat Section, F Section (SOE) and SBS Regiment (1940s), culminating in Cold War roles supporting NATO maritime interdiction and intelligence collection in areas such as the North Atlantic and Baltic Sea. During the Falklands War, Gulf Wars and interventions in Bosnia and Herzegovina, Iraq War and War in Afghanistan (2001–2021), the unit evolved tactics influenced by lessons from Operation Corporate, Operation Telic, Operation Herrick and coalition special operations doctrine shaped with partners like Joint Special Forces Aviation Wing and Special Forces Support Group.
The unit conducts specialised maritime reconnaissance, amphibious assault, ship boarding, counter-piracy, counter-terrorism and hostage rescue, supporting national objectives alongside assets such as HMS Ocean, HMS Hermes (R12), Type 45 destroyer and Astute-class submarine taskings. Missions include clandestine insertion from helicopter platforms like Westland Sea King, AgustaWestland Merlin and rotorcraft of the Joint Special Forces Aviation Wing, use of fast patrol boat flotillas, and collaboration with intelligence bodies including GCHQ, MI5 and MI6 for operational planning and targeting. The unit's remit intersects with maritime law enforcement partners such as UK Border Force and international coalitions like Combined Task Force 151.
Candidates are primarily drawn from personnel serving in Royal Navy, Royal Marines, British Army and sometimes attached from allied forces; selection parallels courses run by Special Air Service selection cadres and includes physical, endurance and navigation phases similar to P company and SAS selection. Prospective members undergo screening involving cold water trials derived from Royal Navy diving standards, jungle assessment reminiscent of Jungle Warfare School protocols and survival exercises comparable to those in Survival, Evasion, Resistance and Escape training. Acceptance yields deep cooperation with establishments such as Defence Diving School and placements for further training with NATO partners like USMC and Royal Netherlands Marine Corps.
Training encompasses breath-hold and open-circuit diving standards taught at the Diving School and in partnership with Submarine Service units, small boat handling used in conjunction with training frigates and patrol craft, and CQB methods aligned with doctrine from Special Air Service and Special Forces Support Group. Course modules include advanced marksmanship (with influences from trials involving L85A2 and HK416 platforms), demolitions and underwater explosives drawn from wartime practices such as those used in Operation Frankton, clandestine reconnaissance like Long Range Desert Group techniques, and integration with airborne insertion procedures developed alongside RAF Regiment and Joint Helicopter Command. International exchanges occur with US Navy SEALs, GSG 9, Sayeret Matkal and JTF2.
The unit is organised into squadrons and troops echoing structures comparable to Special Air Service regiments; historical SOE-era sections informed modern flotillas and troop composition. Squadrons are task-organised for counter-terrorism, maritime interdiction and covert reconnaissance and operate jointly with elements of the Royal Navy and Royal Marines Commandos, as well as the Special Reconnaissance Regiment and RAF Regiment on specific taskings. Liaison arrangements exist with NATO maritime commands like Allied Maritime Command and bilateral units such as United States Naval Special Warfare Command.
Standard equipment includes specialised diving apparatus, swimmer delivery vehicles, RHIBs and craft derived from platforms like Intruder-class fast patrol boat and modular containers compatible with AgustaWestland Merlin and Chinook lift. Personal weapons and small arms include variations of L85A2/L85A3 family adaptations, HK416, SIG MCX and designated marksman systems comparable to L129A1 Sharpshooter Rifle, supplemented by sidearms like the Glock series and suppressed carbines for maritime operations. Support weapons include light machine guns such as the FN Minimi, anti-structure munitions, and specialist breaching equipment used in boarding operations on commercial tonnage and naval platforms.
The unit's notable actions trace back to raids reminiscent of Operation Frankton and clandestine raids in the Aegean Campaign; postwar operations have included covert reconnaissance in the Falklands War, maritime special operations during Gulf War (1990–1991), direct action and hostage rescue in Afghanistan during Operation Herrick, and counter-piracy deployments off the Horn of Africa under mandates like Combined Task Force 151. Collaborative missions with United States Navy SEALs occurred during Iraq War operations, and the unit has participated in multinational exercises such as Exercise Neptune Warrior and training exchanges with French Navy special forces including Commando Hubert.
Insignia and symbols reflect a heritage shared with wartime raiding units and feature maritime motifs echoed in commemorations at memorials associated with Royal Marines Museum displays and regimental museums. Traditions include rigourous selection rites with echoes of Special Air Service customs and ceremonial links with units like Royal Navy fleets and the Royal Marines. The unit figures in popular culture, literature and film alongside portrayals of Special Air Service and Navy SEALs in works about operations in Iraq War (2003–2011), War in Afghanistan, and historical accounts of World War II special operations.