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Sea Shore Flow Optimizing Enlisted Career Paths

Sea Shore Flow Optimizing Enlisted Career Paths. Information Brief. Unclassified. 11 July 11. Evolution of Sea Shore Flow None … Close Enough … Optimal. Seavey Shorevey. Sea Shore Rotation. Sea Shore Flow. TACOMA CLASS (PF-3) 900 Ship Navy – 775K Personnel Policy: 1957 – 1974

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Sea Shore Flow Optimizing Enlisted Career Paths

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  1. Sea Shore FlowOptimizing Enlisted Career Paths Information Brief Unclassified 11July 11

  2. Evolution of Sea Shore FlowNone … Close Enough … Optimal Seavey Shorevey Sea Shore Rotation Sea Shore Flow TACOMA CLASS (PF-3) 900 Ship Navy – 775K Personnel Policy: 1957 – 1974 Sailors remained at sea indefinitely and rolled ashore based on time in grade and shore billet availability Catalyst: Centralized Distribution -Previous decentralized system caused large scale “bottle necks” in moving inventory across the Navy - First computer based “fair share” personnel assignment system - Sea Survey and Shore Survey rotation program O.H. PERRY CLASS (FFG-7) 600 Ship Navy – 600K Personnel Policy: 1974 – 2008 Sailors’ sea tour length determined by a ratio of sea billets to shore billets for each particular rating and paygrade Catalyst: All Volunteer Force - Fixed PRD required to calculate inventory projections - Predictable sea tour lengths needed to recruit and retain volunteer Sailors - Sea-shore billet ratio provided a close enough approximation for tour lengths FREEDOM CLASS (LCS-1) 313 Ship Navy – 322K Personnel Policy: 2008 – 20XX Sailors’ sea tour length determined by an optimal career path for each enlisted community Catalyst: Sea-Centric Force - Reduced shore billet structure driven by fiscal constraints - SSR billet ratio metric lacks fidelity needed to manage a sea-centric force - SSF provides optimal sea tour lengths

  3. t n end t n start t t n start n end IST n Sea Shore FlowOptimizing Enlisted Career Paths 30 year LOS Profile f (E, C, G, T) Billets Aligned to Sea Tours f (E, C, G, T) dt = Billets Aligned to Sea Tours E - EPA C - Continuation Rate G - Gain Distribution T - Time n - Sea Tour Index {Sea Tour 1, Sea Tour 2, …} - Sea Tour ‘n’ start month - Sea Tour ‘n’ end month - User Defined Ideal Sea Tour Length Objective Function 1: Minimize Total Time at Sea Objective Function 2: Minimize Deviation from User Defined Ideal Sea Tour Lengths Constraint: Billets Aligned to Sea Tours = Sea EPA

  4. Sea Shore FlowLeaky Bucket Analogy Tour 4 Global Requirements Tour 3 Tour 2 Tour 1 Sea Shore Flow Model Projects flow from sea to shore, using - EPA Length of Service Spread - Continuation Rates - Gain Distributions Flow projection used to set tour lengths to sustain 100% manning. Accessions Continuation Rate Flow Rate  EPA Sea Tour 1 Shore Tour 1 Sea Tour 2 Attrition Rate Improve SSF by Improving Retention or Increasing Accessions

  5. What Has ChangedRevisions incorporated in the 2011 SSF NAVADMIN • Changes from the 2008 SSF NAVADMIN include: • 36 ratings have longer sea tour lengths • 6 ratings have shorter sea tour lengths • 3 ratings have shorter shore tour lengths • 2 ratings have longer shore tour lengths • 4 ratings have been added to the sea-intensive category • 1 rating has been removed from the sea-intensive category • PSs have reverted from INUS/OUTUS back to Sea/Shore • MAs have been granted OUTUS duty credit for completing SWF duty assignment • ITSs have been added as a new rating • Verbiage defining maximum sea tour lengths is based on Years of Service (YOS) Sailors Will Serve Longer at Sea Due To More Sea Duty, Less Shore Duty, Higher Friction

  6. Sea Shore Flow SpectrumShore-Intensive to Sea-Intensive Unconstrained Relax Max / Min Tour Lengths Time at Sea over 30-yr Career (in months) Constrained Maintain 18 Years Max Time at Sea

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