systems engineering analysis littoral undersea warfare in 2025
DESCRIPTION
Systems Engineering Analysis Littoral Undersea Warfare in 2025. Design & Analysis. Alternatives Generation. Modeling & Analysis. Decision Making. Problem Definition. Alternative Scoring. Needs Analysis. Decision. Objectives Analysis. Implementation. Planning for Action. Execution. - PowerPoint PPT PresentationTRANSCRIPT
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Systems Engineering AnalysisLittoral Undersea Warfare in 2025
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Problem Definition
Needs Analysis
Objectives Analysis
Design & Analysis
Alternatives Generation
Modeling & Analysis
Decision Making
Alternative Scoring
Decision
Implementation
Planning for Action
Assessment & Control
Execution
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
Systems Engineering Design Process
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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.
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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Problem Definition Phase
Needs Analysis Primitive Need Stakeholder
Acknowledgements System Decomposition Input-Output Modeling Functional Analysis Requirements Generation Effective Need
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
Problem Definition
Needs Analysis
Objectives Analysis
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ASW Timeline 3/10/30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
72hrsBegin ASW Operations
10 DaysSeize the Initiative
30 DaysDenial
sustained for follow-on
actions
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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Objectives Analysis Phase
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
Problem Definition
Needs Analysis
Objectives Analysis
Objectives Analysis Functional Objectives Measures of Effectiveness Measures of Performance Performance Goals
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Scenario Building
TRANSIT
TRANSIT
TRANSIT
MAIN LANDTRANSIT
TRANSIT
TRANSIT
MAIN LAND
MAIN LANDMAIN LAND
TRANSITTRANSIT
MAIN LANDMAIN LAND
TRANSITTRANSIT
MAIN LAND
ISLAND
MAIN LAND
ISLAND
Defense of Island Nation Coastal Choke Point Passage
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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High-level Model Development
OVERALL SYSTEM PERFORMANCE
High-level Entity Based Model
Reliability discrete eventsimulation models
Logisticsanalyticalmodels
Sensorsphysics based models
C4ISR analytical models
Alternative
War of Machines
Alternative
War of Machines
Alternative
TSSE
Alternative
TSSE
Alternative
Tripwire
Alternative
Tripwire
Alternative
LAG
Alternative
LAG
TripwireProbability of Detection
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Time Steps (Hrs)
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OUTPUTDATA
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth
(m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
SummerWinter
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
6 8 10 12 14 5 10 15 20 25 30
Sound Speed (m/s + 1500) Range in kYds
Db
80
100
120
140
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth
(m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
SummerWinter
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth
(m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
SummerWinter
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
6 8 10 12 14 5 10 15 20 25 30
Sound Speed (m/s + 1500) Range in kYds
Db
80
100
120
140
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Dept
h (m
)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
6 8 10 12 14 5 10 15 20 25 30
Sound Speed (m/s + 1500) Range in kYds
Db
80
100
120
140
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Dept
h (m
)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter
1500 1502 1504 1506 1508 1510 1512 1514 1516 1518-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Depth (m)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter1500 1502 1504 1506 1508 1510 1512 1514 1516 1518
-80
-70
-60
-50
-40
-30
-20
-10
0
Sound Speed (m/s)
Dept
h (m
)
Monthly Mean Sound Speed Profiles for 40 00S 146 06E
Summer
Winter
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
0(0)-
50(15)-
100(30)-
150(46)-
200(61)-
250(76)-
Dep
th in
ft (m
)
6 8 10 12 14 5 10 15 20 25 30
Sound Speed (m/s + 1500) Range in kYds
Db
80
100
120
140
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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ASW Results, Insights and Recommendations
PRESENCE Pervasive persistence is the goal Traditional methods Non-traditional methods
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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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
Needs Analysis Obj Analysis Alt Generation Modeling Analysis Conclusions
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Systems Engineering AnalysisLittoral Undersea Warfare in 2025