This thesis develops a model that provides a credible and reliable rough order magnitude (ROM) Life Cycle Cost Estimate (LCCE) for a newly constructed U. S. Navy Dock Landing Ship, LSD(X), over the various phases of design, procurement, and operations and support costs. The Systems Engineering Analysis (SEA) Curriculum at the Naval Postgraduate School (NPS) will use this estimate to help establish the costs of the proposed alternatives for LSD(X). This study also includes a cost benefit analysis through the comparison of LSD(X) to an alternative variant LSD(XB). The comparison examines how the baseline ROM LCCE of LSD(X) is affected by changes in technical parameters such as beam, number of LCACs, troop size, crew size and cargo capacity. Ultimately, this thesis provides a useful tool to aid decision makers in selecting the most cost effective alternative for the LSD(X) fleet for the expected 30 year operational period.Lieutenant, United States Nav
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