Date of Award

3-2005

Document Type

Thesis

Degree Name

Master of Science

Department

Department of Operational Sciences

First Advisor

William A. Cunningham, PhD

Abstract

Air Force logistics policies direct the "expedited evacuation of repairables to the source of repair", in an effort to allow smaller inventories. Transportation Mode selection is based only on the asset itself. This focus works well when shipping assets out from the depot to a base. When a base ships an asset back to the depot however, the priority of the asset may not be the best way to select the transportation mode. The quantity of the assets at the depot may indicate that fast transportation is unnecessary. The depot may already have enough serviceable assets to meet demand or the number of unserviceable assets already waiting exceeds the depot's repair capacity. If either of these inventory conditions exists, shipping an asset back to the depot using fast transportation is unnecessary and shipping the item via a slower and less costly mode could maintain the same service level. Rather than focus solely on the asset, the inventory of the depot should be involved in mode determination. This research evaluated current Air Force retrograde transportation mode selection policy. Demand and production data were compared to supply data for Oklahoma City ALC and Ogden ALC to use the inventory position of the depot to select the appropriate speed of transportation. Transportation data was then used to find cost saving potential by finding the difference between mode used and the mode indicated by the depot's inventory position. The analysis found that in 97% of the trials, a mode slower than overnight was suggested and produced a potential cost savings of 38%.

AFIT Designator

AFIT-GLM-ENS-05-22

DTIC Accession Number

ADA431748

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