TRIDENT SSGN

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TRIDENT SSGN
Multi-Mission Tactical Capability
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SSGN -- START Accountable Option Retain Missile
Compartment
Ship Characteristics Length 560
ft Displacement 18750 tons No. of VLS Missiles Up
to 154 DDS/ASDS Capability Dual
Existing Missile Tubes House Tactical Missile
Canisters for up to 154 TOMAHAWK Missiles
Dual ASDS or DDS Capability
Enhanced ECS, Masts and Antennas
66 Dedicated SOF Accommodations
Replace SWS Missile Fire Control with Tactical
Fire Control Systems
Lockout Chamber (Tubes 12) and Reconfigurable
SOF Stowage Tubes (Tubes 3-10)
Mod/Replace SWS Navigation Equipment, Add SOF
Control Room and Mission Planning Center
2.4 Billion for all four ships
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SSGN - START COMPLIANT OPTION Replace Missile
Compartment (F4)

• Ship Characteristics
• Length 579 ft
• Displacement 19,550 LT
• No. Of VLS Missiles 132
• In SOF Configuration 112
• Length of VLS Compartment 115 ft
• Length of SOF Compartment 32 ft
• DDS/ASDS Capability Dual

4.4 Billion for all four ships

• Remove Existing Missile Compartment And SWS
  Equipment and Replace With
• Special Warfare Module For 66 SOF Crew,
  Operations and Stowage
• Strike Module With 13 Rows Of Missile Tubes (33
  Total) With Four AURs Per Tube. Tubes Extend to
  2nd Platform Level
• Forward Compartment Similar to Accountable SSGN
  MCC, Nav, IRR, Sail

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Missile Compartment Arrangement
Notional Canister
SWS Equipment Removed and Modular Drawer Stowage
(MDS) Added to 1st Platform
66 Dedicated SOF Berths (36 Additional Transient
Berths Possible in Torpedo Room / Missile
Compartment)
SDV Battery Charging and Scuba Bottle Recharging
Equipment
Existing Crews Berthing
Fan Room
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Key Development - Canister

• Supports up to seven AURs
• AUR loading - Use existing SSN loading equipment
  with minimal mods
• Fully populated canister loading - Use existing
  SWS equipment with mods
• Inboard electrical and piping connections
• No impact to existing Tomahawk AUR
• Minimal impact to Trident tube mechanical
  interface
• Baseline program - production in FY 04 to FY 06
• Multiple concepts from industry competition

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Plan View - ASDS and DDS
Modified Superstructure
Advanced SEAL Delivery Vehicle
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Dry Deck Shelter
Existing Superstructure
Fairwater
Forward
Plan View
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Dry Deck Shelter
Advanced SEAL Delivery System
Existing Superstructure
Modified Superstructure
Missile Tube Muzzle Hatches
Section Looking Forward
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First Tomahawk launch from USS Florida SSGN