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Full-Text Articles in Operations and Supply Chain Management

Acquisition Logistics Guidelines For Improving The Argentine Air Force Weapon System Acquisition Process, Guillermo A. Piuzzi Mar 1999

Acquisition Logistics Guidelines For Improving The Argentine Air Force Weapon System Acquisition Process, Guillermo A. Piuzzi

Theses and Dissertations

Increasing costs, complexity and demanded endurance have been typical characteristics of new weapon systems during the last decades. Meanwhile, severe contraction of defense budgets makes cost effective and well-planned acquisition crucial to ensure weapon system whole life supportability. This qualitative research explores the role of acquisition logistics in the endeavor of purchasing effective, efficient, and supportable systems in four countries, namely the United States, Australia, Spain, and Portugal. Through a multiple case study, a set of concepts is extracted and adapted to be proposed as the basis of a prospective Argentine Air Force weapon system acquisition process review. Suggested improvements …

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A Comparison Of Proposed Air Expeditionary Force Packages Using The Thunder Campaign Simulation Program, Brian M. Godfrey Sep 1998

A Comparison Of Proposed Air Expeditionary Force Packages Using The Thunder Campaign Simulation Program, Brian M. Godfrey

Theses and Dissertations

There are currently only two force packages under consideration for Air Expeditionary Force (AEF) deployment: the Eagle package and the Falcon package. This thesis examines these and three other force packages for operational feasibility. The comparisons made between the five packages were based on five operational measures and two which describe the logistics involved with deploying each package. The operational measures and one logistics measure are obtained from the THUNDER simulation software package. The other logistics measure, amount of short-tons of cargo required to support each package, was obtained from the Logistics Plans office at HQ ACC. The principal contribution …

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Evaluation Of The Performance Of The Cooperative Logistics Supply Support Arrangement For Rokaf, Mansik Hur Sep 1998

Evaluation Of The Performance Of The Cooperative Logistics Supply Support Arrangement For Rokaf, Mansik Hur

Theses and Dissertations

This thesis examines the performance of the Cooperative Logistics Supply Support Arrangement (CLSSA) for Republic of Korea Air Force (ROKAF). As one of the biggest FMS customer countries, ROKAF buys a substantial portion of its weapon systems from the U.S. Government and relies on the follow-on supply support from the source of acquisition. Because of the advantage of the CLSSA program for its timely support to foreign countries, the CLSSA has been the preferred method of follow-on supply support for FMS customer countries and its magnitude and coverage are being increased. To find out the level of supply support for …

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Building A Conceptual Model To Define The F-22 Supply Support Decision Process, Steven P. James Sep 1998

Building A Conceptual Model To Define The F-22 Supply Support Decision Process, Steven P. James

Theses and Dissertations

The Air Force requires a method to determine the most effective and efficient means of supply support for new weapon system acquisitions. This study is a qualitative research effort that examines this requirement in an environment that embraces interim contractor support for the F-22. A series of six propositions are suggested to incorporate in the supply support decision-making process. A conceptual model is developed from these propositions to describe the process for determining the optimal timeframe for making long term supply support decisions. A systems approach to project management is used as the vehicle for this process, and the F-22 …

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Factors Influencing Utilization Of Air Cargo Containerization In The United States Air Force, Joel W. Gartner Sep 1998

Factors Influencing Utilization Of Air Cargo Containerization In The United States Air Force, Joel W. Gartner

Theses and Dissertations

As the Department of Defense budget continues to decrease, the growing requirement to meet national strategic mobility objectives with limited resources provides a major impetus for cost effective and credible transportation innovations. The commercial transportation industry has increasingly accepted cargo containerization as a method to take advantage of intermodal shipping efficiency and cost savings. The military implementation of these same shipping initiatives must be flexible, reliable, and compatible with the existing cargo handling systems already designed to deliver fighting forces to conflicts throughout the world. This thesis examines cost and container utilization factors among units familiar with the ISU bins …

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An Examination Of The United States Air Service's Logistics Operations, Andrew W. Hunt Sep 1998

An Examination Of The United States Air Service's Logistics Operations, Andrew W. Hunt

Theses and Dissertations

This historical study details the U.S. Air Service's logistics operations at home and abroad in an attempt to determine the relationship between the process and more recently established logistic principles. The information in the study was collected through an extensive review of both first hand accounts and historical compilations of the nature of World War I aviation logistics. Information regarding the production of the De Haviland DH-4 and Liberty Engine serve as the primary case examples of the operation of the logistics system. The established principles required for comparison were extracted from the writings of a number of expert military …

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An Assessment Of Factors That Affect The Performance Of Air Force O-3 (Captain) Logisticians Working In A Joint Operations Environment, Jeffrey C. Bergdolt, Ty K. Sills Sep 1998

An Assessment Of Factors That Affect The Performance Of Air Force O-3 (Captain) Logisticians Working In A Joint Operations Environment, Jeffrey C. Bergdolt, Ty K. Sills

Theses and Dissertations

Joint operations will likely continue to become more prevalent in the future due to defense spending cuts and the nature of modem warfare. Currently, Air Force O-3 (Captain) logisticians, working in the joint operations environment, receive little if any initial training. Exploratory research, by the authors, indicated that these members felt uncertain about their jobs and how they related to the organization, which has been described in the literature as role ambiguity. Consequently, this research project was designed to determine if AF O-3 logisticians serving in the joint operations environment experience more role ambiguity than their counterparts serving in the …

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Software Support Cost Estimating Models: A Comparative Study Of Model Content And Parameter Sensitivity, Kevin L. Brummert, Philip R. Mischler Jr. Sep 1998

Software Support Cost Estimating Models: A Comparative Study Of Model Content And Parameter Sensitivity, Kevin L. Brummert, Philip R. Mischler Jr.

Theses and Dissertations

This research entailed a comparison of five software estimating models: PRICE-S, SEER-SEM, SoftCost-OO, SoftEst, and SPR KnowledgePLAN. The objective was to research the differences of the software models as related to software support cost. The following major question areas were addressed: (1) How do the differences between the models impact the resulting cost estimates? (2) To what degree can we explain and adjust for the differences between cost models? All items were for flight avionics of a manned aircraft. The differences between the models significantly impact the resulting estimates. Over the five models evaluated, a range of over $60 million …

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A Forecasting Approach To Improve Logistics Planning In The Colombian Air Force, Daniel A. Melendez Sep 1998

A Forecasting Approach To Improve Logistics Planning In The Colombian Air Force, Daniel A. Melendez

Theses and Dissertations

The Colombian Air Force recently installed a logistics operating system to improve the logistics system. However, the inventory cost and turnover have not stopped growing; subsequently, the operational readiness has been affected. The purpose of the study was to compare the performance of several forecasting techniques to improve the current planning process of aircraft parts in the CAF. The research used five phases. The first phase identified the relevant factors and the forecasting techniques selected for the experiment. The factors were repairability, demandability and uniqueness. The forecasting methods were single and double exponential, moving average, autoregression and linear regression. The …

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Measuring The Effect Of Rfid Technology On Movement Of U.S. Army Resupply Cargo, Leigh E. Method Sep 1998

Measuring The Effect Of Rfid Technology On Movement Of U.S. Army Resupply Cargo, Leigh E. Method

Theses and Dissertations

This research is an analysis of the effect that the added in-transit visibility (ITV) associated with applying Radio Frequency Identification (RFID) technology to Army resupply cargo makes on total cycle time (from entry into to exit from the system) within the Air Mobility Command (AMC) portion of the Defense Transportation System. Although information technology applications are known to contribute to ITV, there has been no attempt to quantify it despite a perception held by at least part of the DoD community that ITV initiatives will reduce logistics response time by improving cycle time. This study was aimed at quantifying RFID …

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A Pilot Study Of Space/Missile Crews And Crew Resource Management, John E. Varljen Sep 1998

A Pilot Study Of Space/Missile Crews And Crew Resource Management, John E. Varljen

Theses and Dissertations

This study is a first step in formalizing CRM training as part of Undergraduate Space and Missile Training (USMT) and individual Unit Training thereby capitalizing on techniques already developed and in place for pilots. We evaluated the usefulness of two modified versions of existing CRM measures. Because an attitude measure is easier to implement, this study analyzes the use of an established flight crew attitude measure, the Cockpit Management Attitudes Questionnaire (CMAQ), and a modified version of the Air Force Mobility Command AMC Form 128, March 1995. We conducted the study in two phases. Phase 1 dealt only with Space …

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A Definition And Investigation Of Cooperative Acquisition Programs Using Multiple Case Studies, Robert T. Butz Sep 1998

A Definition And Investigation Of Cooperative Acquisition Programs Using Multiple Case Studies, Robert T. Butz

Theses and Dissertations

This thesis is an exploratory study of the management of cooperative acquisition programs. The investigation focuses on defining the nature of a cooperative acquisition strategy, identifying potential problems associated with this approach, and evaluating the effectiveness of the current guidance and support structure for such programs. The desired outcome of this strategy is a common solution. The operational definition of cooperative acquisition builds on the Department of Defense definition of Joint Service Acquisition. A pilot study and literature review are used to develop a structured interview for three case studies. Analysis of these cases indicates that difficulty in resolving core …

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The Scheduling Process In A Depot From The Brazilian Air Force, Fabricio J. Saito Jun 1998

The Scheduling Process In A Depot From The Brazilian Air Force, Fabricio J. Saito

Theses and Dissertations

The Brazilian Air Force (BAF) in its logistic structure contains 5 Air Logistic Centers (depots). This thesis concentrates its analysis on one of the most important BAF depots located at Sao Paulo (PAMASP). This thesis explores the scheduling process currently used in PAMASP. This thesis adopted a managerial approach in a sense that it looked to take a big picture of the current process. The researcher performed field interviews with the goal of describing the process. During the visit to PAMASP, the researcher also gathered problems related to the process. The recommendations stated on this study were based on the …

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Strategic Performance Measurement In An Air Force Logistics Organization, Michael A. Grover Dec 1997

Strategic Performance Measurement In An Air Force Logistics Organization, Michael A. Grover

Theses and Dissertations

Strategic performance measures are being used to define and communicate longer term planning imperatives to organizational members and external stakeholders. These measures are designed to support the concept of a strategic management process, in which the progress towards strategic goals, and also the goals are continuously reviewed and updated. The measures are linked through associations and communicate the strategy as a series of hypothesized cause and effect relationships. One such performance measurement system, the balanced scorecard, describes the organizational strategy with reference to four common organizational perspectives: Financial, Customer, Internal Process and Growth and Development. A case study is performed …

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An Analysis Of Early Software Reliability Improvement Techniques, John G. Leonard, Ric K. Nordgren Dec 1997

An Analysis Of Early Software Reliability Improvement Techniques, John G. Leonard, Ric K. Nordgren

Theses and Dissertations

This research explores early life cycle software reliability prediction models or techniques to predict the reliability of software prior to writing code, and a method for increasing or improving the reliability of software products early in the development life cycle. Five prediction models and two development techniques are examined. Each model is statically analyzed in terms of availability of data early in the life cycle, ease of data collection, and whether data is currently collected. One model and the two techniques satisfied those requirements and are further analyzed for their ability to predict or improve software reliability. While the researchers …

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The Logistics Of Mobilizing And Supplying The Union Army During The Initial Stages Of The American Civil War, Trey G. Burrows Sep 1997

The Logistics Of Mobilizing And Supplying The Union Army During The Initial Stages Of The American Civil War, Trey G. Burrows

Theses and Dissertations

This thesis studies the logistics involved in mobilizing and supplying the Union Army at the onset of the Civil War. The main elements discussed are the sources, procedures, and items needed for the mobilization and supply efforts. Initially, the Union relied on the States to mobilize the military with the majority of the military being militia members or volunteers. The number of volunteers declined later in the war and the Union used both the bounty system and the draft for recruitment. Eventually, the Federal Government replaced the States as the primary mobilizing entity. The military needed supplies of weapons, clothing, …

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Pharmaceutical Surge Requirements For The Prime Vendor Program-Europe In Support Of Military Operations Other Than War, James B. Upton Sep 1997

Pharmaceutical Surge Requirements For The Prime Vendor Program-Europe In Support Of Military Operations Other Than War, James B. Upton

Theses and Dissertations

The U.S. military in Europe often provides medical support to military operations other than war due to unstable situations in that region of the world. The increasing support to peace operations and humanitarian assistance have led the military medical units in Europe to reexamine the pharmaceuticals traditionally maintained to support surges. This research was a qualitative, exploratory study using multiple case study strategy to identify the specific pharmaceuticals utilized in the initial stages of military operations other than war primarily peacekeeping, peace enforcement and humanitarian assistance. The operations chosen as the units of analysis were Operation Provide Promise (Croatia), Operation …

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Foreign Military Sales Supply Support: Is There A Better Way?, Eric G. Ellmyer, Won Joon Jang Sep 1997

Foreign Military Sales Supply Support: Is There A Better Way?, Eric G. Ellmyer, Won Joon Jang

Theses and Dissertations

In today's world of declining defense budgets, there is an increasing need for South Korea to ensure they obtain the best dollar value when procuring defense articles. With the increasing financial situation, the purpose of this thesis is to research a surrogate third party firm and determine to what degree South Korea and other foreign military sales customers obtain the best value for their money for follow-on support item procurements. South Korea has participated in the Parts and Repair Ordering System program since its inception. However, South Korea has received little, if any, feedback regarding lead time and cost performance …

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Applying Cross-Decking And Activity-Based Costing To Military Distribution Centers: A Proposed Framework, Jonathan P. Elliott, Dwight H. Hintz Jr. Sep 1997

Applying Cross-Decking And Activity-Based Costing To Military Distribution Centers: A Proposed Framework, Jonathan P. Elliott, Dwight H. Hintz Jr.

Theses and Dissertations

Current events and fiscal constraints have focused DoD planners' attention on reducing logistics costs and improving efficiency while maintaining effective combat operations support. Military leaders are seeking private industry best practices that may help the DoD achieve these goals. Two commercially successful business practices that may help the DoD achieve its goals are cross-docking and Activity-Based Costing (ABC). Cross-docking is a commercially proven approach to material distribution through a distribution center that can help reduce inventories, speed material flows, and cut related logistics activity costs. However, the DoD is faced with the challenge of costing current and potential logistics processes …

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Identification And Reduction Of Bottlenecks Concerning Micap Re-Supply Of F-16 Weapons System Avionics Line Replaceable Units, Karl N. Muno, Patrick K. Pezoulas Sep 1997

Identification And Reduction Of Bottlenecks Concerning Micap Re-Supply Of F-16 Weapons System Avionics Line Replaceable Units, Karl N. Muno, Patrick K. Pezoulas

Theses and Dissertations

This thesis evaluates selected F-16 avionics Line Replaceable Units (LRUs) transiting the logistics pipeline in order to examine the existence of bottlenecks and explore potential solutions within the current Department of Defense (DoD) logistics reparable pipeline. A previous study reported that a reduction in the overall pipeline resupply time of at least one day equates to a savings of approximately $25.45 million (Hill et al, 1990:iii). Bottlenecks cause movement delays to the entities moving through the logistics reparable pipeline. The pipeline segments are: AO (requisition), AE (item availability), AS (shipment status), and D6 (receipt). The bottlenecks of concern are those …

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An Analysis Of Tactical Military Airlift, James H. Donoho Sep 1997

An Analysis Of Tactical Military Airlift, James H. Donoho

Theses and Dissertations

This study examines tactical military airlift operations conducted during three historical battles - Stalingrad, Dien Bien Phu, and Khe Sanh. Aspects of tactical military airlift operations are identified from these scenarios. The list of important issues that results can be considered when employing tactical military airlift in the future. Using inductive reasoning, tactical military airlift operations in each scenario, and their success or failure, are examined to develop a pattern for recognizing and describing similar situations in the future. Experiences at Stalingrad, Dien Bien Phu, and Khe Sanh indicated that there are nine elements that should be considered when employing …

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A Comparison Of Commercial Express And The Defense Transportation System In The Movement Of Reparable Assets Within Western Pacaf, Corey M. Vickers Sep 1997

A Comparison Of Commercial Express And The Defense Transportation System In The Movement Of Reparable Assets Within Western Pacaf, Corey M. Vickers

Theses and Dissertations

This study was initiated by the assertion that it was taking a greater amount of time to transport assets from Support Center Pacific (SCP) to its Western Pacific Air Forces (WESTPAC) customers (Misawa AB Japan, Yokota AB Japan, Kunsan AB Korea, and Osan AB Korea) than it was taking to transport similar assets to the same locations from a CONUS repair facility. These delivery times include the total time it takes a reparable asset to be transferred from a repair facility (consignor) to the user (consignee). Pacific Air Forces (PACAF) has proposed using commercial express freight carriers to transport reparable …

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Support Equipment Deployability: A Delphi Study To Determine The Transportability Characteristics Of Aerospace Ground Equipment (Age), Gavin B. Tovrea Sep 1997

Support Equipment Deployability: A Delphi Study To Determine The Transportability Characteristics Of Aerospace Ground Equipment (Age), Gavin B. Tovrea

Theses and Dissertations

The issue of mobility is vital to the Air Force as it faces the 2lst century. Operational units must be prepared to quickly deploy anywhere in the world. Aerospace Ground Equipment (AGE) is a large portion of any operational unit's mobility requirements. This thesis studies one portion of AGE mobility, the transportability characteristics of the Air Force's current powered AGE. Transportability is defined as the ability to quickly and efficiently prepare an item for transport, load the item on the transportation asset, remove the item from the transportation asset, and reconstitute the item for use. In order to determine AGE …

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Aerial Port Location Study, Levenchi L. Dingle Sep 1997

Aerial Port Location Study, Levenchi L. Dingle

Theses and Dissertations

This study performed an investigation on determining the appropriate number and locations of continental United States aerial ports. To accomplish this a linear programming formulation was adapted with the optimizing function based on trading off the cost of shipping cargo against port operating costs. Cargo would travel from CONUS origin, through aerial port of embarkation (APOE), to aerial port of debarkation (APOD) at minimum cost to the DoD. The need for the study was precipitated by continued reductions in the military budget, consolidation of defense depots, and the reduction in the number of personnel stationed overseas. Cargo movement data was …

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Development Of The Base Support Plan Process Model For Evaluation Of Proposed Process Improvement Initiatives, Daniel T. Kalosky, Patrick G. Walker Sep 1997

Development Of The Base Support Plan Process Model For Evaluation Of Proposed Process Improvement Initiatives, Daniel T. Kalosky, Patrick G. Walker

Theses and Dissertations

The primary role of the United States Air Force (USAF) logistics planner is to plan for war. For the wing level logistics planner, an important war planning product they are responsible for is the base support plan (BSP). The BSP is the installation level plan to support unified and specified command wartime operations plans, as well as MAJCOM supporting plans. Two Armstrong Laboratory sponsored initiatives exist to automate and enhance some of the BSP processes: the Survey Tool for Employment Planning (STEP) and Beddown Capability and Assessment Tool (BCAT). This research explored the BSP process and improvement initiatives by (1) …

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Aerospace Ground Equipment's Impact On Aircraft Availability And Deployment, Jeffrey D. Havlicek Sep 1997

Aerospace Ground Equipment's Impact On Aircraft Availability And Deployment, Jeffrey D. Havlicek

Theses and Dissertations

The first purpose of this thesis was to study the effects of four factors on aircraft availability: the aerospace ground equipment (AGE) design configuration, the mean time between failure (MTBF) of AGE, the mean time to repair (MTTR) AGE, and the travel time to transport the AGE around the flightline. A simulation developed by Carrico (1996) that has its foundation based on the Logistics Composite Model (LCOM) was used. ANOVA results indicated that the present estimates of these factors are too broad for trade studies that include an estimate of aircraft availability to begin. The time it takes AGE to …

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An Analysis Of Air Mobility Express Requirements Operating Within A Lean Logistics Wartime Environment, Jennifer A. Bollinger, Kellie L. Davila-Martinez Sep 1996

An Analysis Of Air Mobility Express Requirements Operating Within A Lean Logistics Wartime Environment, Jennifer A. Bollinger, Kellie L. Davila-Martinez

Theses and Dissertations

Lean Logistics was developed in response to budget cuts, force reductions, and a new political world order. The primary objective of Lean Logistics is to minimize the total system wide costs of the Air Force organization. Currently, the Air Force is seeking to cut costs by reducing inventories, improving repair processes, and employing faster transportation where possible. The purpose of this thesis is to determine if the Air Mobility Express (AMX) current sizing plan is capable of supporting the retrograde assets generated during the sustainment portion of a war. The Dyna-METRIC version 6.4 simulation program is employed to analyze the …

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A Study Of Defense Logistics Agency Inventory Classifications: Application Of Inventory Control Methods To Reduce Total Variable Cost And Stockage Levels, Wayne C. Goulet, Michael L. Rollman Sep 1996

A Study Of Defense Logistics Agency Inventory Classifications: Application Of Inventory Control Methods To Reduce Total Variable Cost And Stockage Levels, Wayne C. Goulet, Michael L. Rollman

Theses and Dissertations

This thesis analyzes the financial impact of applying a single inventory requirements model to three separate classes of inventory at the Defense Logistics Agency's (DLA) Defense Supply Center-Columbus (DSCC) commodity management facility. DLA' 5 blanket application of its variation of the Economic Order Quantity (EOQ) requirements model may not be appropriate for all levels of demand, possibly suboptimizing DLA's desire to minimize inventory costs while still providing an appropriate level of customer service. Simulation analyses of the DLA EOQ requirements model, the Silver-Meal heuristic, and Periodic Order Quantity models were conducted to examine which dynamic lot-sizing model is more effective …

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An Analysis Of Foreign Military Sales Follow-On Logistics Support And Industry's Future Role, Curtis L. Wilken Sep 1996

An Analysis Of Foreign Military Sales Follow-On Logistics Support And Industry's Future Role, Curtis L. Wilken

Theses and Dissertations

This research describes how Foreign Military Sales follow-on support will be provided for in the future based on changes currently taking place in the Department of Defense, Air Force, and industry today. Information on the current system was gathered through a thorough review of the literature. Interviews were used extensively To determine the future plans of industry. In the Department of Defense, outsourcing and privatization, most notably depot privatization will affect the way that follow-on support is provided in the future. Due in large part to shrinking arms sales, private industry is increasing the emphasis placed on providing follow-on support …

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Consolidation And Realignment Of Base-Level Support Equipment Maintenance, James C. Katrenak Sep 1996

Consolidation And Realignment Of Base-Level Support Equipment Maintenance, James C. Katrenak

Theses and Dissertations

The adoption of the 'Objective Wing' organization in the U.S. Air Force has realigned many base-level maintenance functions. Support equipment is currently maintained and accounted for by several units under the Logistics Group Commander. This research determined the feasibility and consequences of consolidating or realigning maintenance of powered and non-powered AGE, MMHE, engine trailers, and vehicles into one consolidated maintenance shop or unit per base. This study consulted many sources, ranging from occupational survey reports and career field education and training plans to actual field observations of maintenance processes and unstructured interviews of personnel and supervisors. This study determined that …

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