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New Nuclear Weapon System

New Nuclear Weapon System. Submarine. Missile. Warhead. New Ship Submersible Ballistic Nuclear (SSBN). 3 or 4 new nuclear-armed submarines first in service in 2024. Submarine Programme. Nuclear-Armed Submarines. Vanguard. New SSBN. Submarine Programme. Nuclear-Armed Submarines.

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New Nuclear Weapon System

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  1. New Nuclear Weapon System Submarine Missile Warhead

  2. New Ship Submersible Ballistic Nuclear (SSBN) 3 or 4 new nuclear-armed submarinesfirst in service in 2024

  3. Submarine Programme Nuclear-Armed Submarines Vanguard New SSBN

  4. Submarine Programme Nuclear-Armed Submarines Vanguard New SSBN Conventionally-Armed Submarines Trafalgar Astute MUFC

  5. New SSBN Timeline ConceptDesign Initial Design Detail Design Outputs InitialGate Build Main Gate

  6. New SSBN Timeline ConceptDesign 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 InitialDesign Detailed Design Production Outputs Build & Commission Sea Trials InitialGate Main Gate In Service

  7. Reactor options for new SSBN

  8. Continuous Patrols One armed submarine on patrol at all times Alert – “measured in days” non-verifiable “our planned future programme should takeus up to 750 [patrols]” Rear Admiral Matthews

  9. New Nuclear Weapon System Submarine Missile Warhead

  10. Missile System Initially - TridentLater - Trident or new US missile

  11. Missile options British “successor” submarine in-service 2024 – 2060 Trident D5 in service with US Navy until 2042 ULMS & SSBN(X) in service with US Navy from 2029

  12. Underwater Launched Missile System(ULMS) New US missile to replace Trident D5 In service by 2029 Initial concept studies started in 2007 Considered by Strategic Advisory Group November 2007

  13. Operational independence ? “without United States cooperation … Polaris would become ineffective after only a few months”Sir Charles Ellworthy March 1971

  14. New Nuclear Weapon System Submarine Missile Warhead

  15. Nuclear Warhead

  16. Options for nuclear warhead UK Trident warhead New warhead or

  17. Plutonium pit Life Extension No replacementLifespan 60 years plus New Warhead New PitFire Resistant

  18. High Explosives Life Extension Replace EDC 37 High Explosive after 16 ? years New Warhead Insensitive High ExplosivesSafer, Larger & Heavier

  19. Modernisation of Aldermaston

  20. Implications for Scotland • 2024 – 2055 • nuclear warheads in transport and storage • nuclear-armed nuclear-powered submarines • potential nuclear attack on targets in Scotland

  21. Warhead accident - Plutonium dispersal Total Effective Dose Equivalent 30 mSvConsiderEvacuation Plutonium: 4 Kg Explosives: 20 lbWind: SW 5 m/sComputer Programme Hotspots 2.06 3 mSvConsiderShelter

  22. Comparison of Hotspots & LAESI HOTSPOTS MODEL LAESI GUIDELINES

  23. Ground deposition of Plutonium 100 kBq/m2 10 kBq/m2 Plutonium: 4 Kg Explosives: 20 lbWind: SW 5 m/sComputer Programme Hotspots 2.06

  24. Submarine Hazards Reactor Fuel for 30 year operation 98% enriched HEU;decay products greatest in later years.

  25. Submarine Hazards HMS Tireless in Gibraltar 2000/01

  26. Submarine Hazards Missiles The rocket fuel in 12 Trident missiles is equivalent to 820 tonnes of TNT

  27. Submarine Hazards Nuclear Warheads Nuclear warheads are fixed around the third stage of each missiles

  28. Submarine Hazards Torpedoes Torpedoes are designed to sink a modern submarine August 2000:Torpedo accident on Kursk

  29. Submarine Hazards Fire Fire on a submarine can lead to a nuclear accident October 2004Fire on Upholder (HMCS Chicoutimi)

  30. Submarine Hazards USS Scorpion bow USS Scorpion stern Sinking 2 US and 6 Russian nuclear submarines have sunk following accidents

  31. Submarine Hazards • Explosion of 820 tonnes rocket fuel • Detonation of nuclear warhead • Dispersal of 200 kg plutonium from warheads • Dispersal of radioactive material from reactor

  32. Where could an accident happen ?

  33. Faslane Base for Trident and proposed base for Successor SSBN

  34. Faslane Shiplift Lifts submarine with missiles & nuclear weapons Construction problems Vulnerable to aircrash May be replaced by dry dock

  35. Coulport Warheads attached & removed in Explosives Handling Jetty

  36. Submarines in transit Risk to towns in Clyde estuary

  37. Hazard zones for submarines in transit 2 km zonearound where submarines regularly sail Equivalent topreplanned countermeasures zone for berths.

  38. Hazard zones for submarines in transit 10 km zonearound where submarines regularly sail Equivalent toextendibility zone for berths.

  39. Loch Goil Z berth Noise Range

  40. Rothesay Z berth Mooring Buoy in Rothesay Bay

  41. Highland Z Berths

  42. Highland Z Berths & Trials Lochewe Z Berth Rona Noise Range Broadford Z Berth

  43. Submarine exercise areas

  44. Dounreay PWR2 Reactor Prototype

  45. Possible new Prototype ? New nuclear reactor at Dounreay ? In service 2018 – 2044 ? Transport of new fuel, used fuel and waste across Scotland

  46. New Tritium Production Facility ? 2006 2054 Decay of current tritium stockpile • Previous source: Chapelcross • Location of new facility unknown

  47. Scope of safety schemes

  48. Safety schemes scenarios

  49. Containment Failure Accident

  50. NII Licencing

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