Systems Engineering Analysis Littoral Undersea Warfare in 2025

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Systems Engineering AnalysisLittoral Undersea
Warfare in 2025
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Systems Engineering Design Process
Needs Analysis
Obj Analysis
Alt Generation
Modeling
Analysis
Conclusions
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SEA-8 Problem Statement

• SEA-8
• .. design a system that denies enemy undersea
  forces (submarine and UUV) effective employment
  against friendly forces within the littorals
  during the 2025 timeframe.

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Problem Definition Phase

• Needs Analysis
• Primitive Need
• Stakeholder
• Acknowledgements
• System Decomposition
• Input-Output Modeling
• Functional Analysis
• Requirements Generation
• Effective Need

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ASW Timeline 3/10/30
30 Days Denial sustained for follow-on actions
10 Days Seize the Initiative
72hrs Begin ASW Operations
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Objectives Analysis Phase

• Objectives Analysis
• Functional Objectives
• Measures of Effectiveness
• Measures of Performance
• Performance Goals

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Scenario Building
Coastal
Defense of Island Nation
Choke Point Passage
Needs Analysis
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SEA-8 Defined Alternatives

• Littoral Action Group (LAG)
• DD(X), LCS, SSN, MH-60
• Total Ship Systems Engineering (TSSE)
• Sea TENTACLE
• Host ship, UUV, USV, UAV, Stationary Bottom
  Sensors
• Tripwire
• UUV, Rapidly Deployable Stationary Bottom Sensors
• War of Machines
• UUV, Recharging Stations
• Floating Sensors

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High-level Model Development
Reliability discrete event simulation models
Logistics analytical models

OVERALL SYSTEM PERFORMANCE High-level Entity
Based Model
Sensors physics based models
C4ISR analytical models
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ASW Results, Insights and Recommendations

• NO PERFECT SYSTEM
• Scenario variables were the key factors
• Each alternative studied had weaknesses
• Differences between alternatives were significant
• Best solution might be a tailored mix

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ASW Results, Insights and Recommendations

• REACTION TIME
• Enemy submarines are vulnerable in restricted
  waterways
• Enemy timelines are unpredictable
• Quick reaction systems hedge uncertainty
• Strategic air least sensitive to enemy initiative

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ASW Results, Insights and Recommendations

• PRESENCE
• Pervasive persistence is the goal
• Traditional methods
• Non-traditional methods

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ASW Results, Insights and Recommendations

• KILL-CHAIN TIMELINE (KCT) TRADEOFFS
• Traditional methods require short KCTs
• Non-traditional methods afford longer KCTs
• Standoff weapons systems more easily used if
  longer KCT are allowed

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ASW Results, Insights and Recommendations

• UNDERSEA JOINT ENGAGEMENT ZONE (UJEZ)
• Cooperative mix of assets unlocks future ASW
  force capabilities
• Future ASW forces may require the establishment
  of the UJEZ
• Low false positive and low fratricide rates are
  required

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ASW Results, Insights and Recommendations

• RECOMMENDATIONS
• Research
• Follow on study
• Development
• UUVs
• Rapidly deployable sensing grids
• Common undersea picture
• Autonomous recharge/replenishment systems

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ASW Results, Insights and Recommendations

• RECOMMENDATIONS
• Tactics
• Strategic air
• JSOW like systems to deliver ASW assets
• Doctrine
• Evolution from waterspace management and PMI to
  UJEZ

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Systems Engineering AnalysisLittoral Undersea
Warfare in 2025