Evaluation of fleet ownership versus global allocation of ships in the Combat Logistics Force
Doyle, David E.
Carlyle, W. Matthew
Brown, Gerald G.
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Military Sealift Command (MSC) introduced its new Dry Cargo and Ammunition Ship (T-AKE) in June 2006, to replace its retiring ammunition and fast combat stores supply ships. MSC seeks new ways to use T-AKEs, fleet replenishment oilers, and fast combat support ships to better support the U.S. Navy. We evaluate two alternate ways to manage these ships, one where each ship operates under a particular "fleet ownership," and another where these ships are "globally allocated," serving any fleet customer as needed worldwide. We introduce an optimization-based scheduling tool, and use it to evaluate an expository 181-day peacetime scenario. We track daily inventories of 13 battle groups - carrier strike groups, expeditionary strike groups, surface strike groups, and a littoral combat ship squadron - to gain insight into how to best employ CLF ships. We determine that, in our scenario, global allocation provides significantly better service to fleet customers.