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Research Synopsis

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Research Questions

  1. Which supply chain risks are most critical to the Army?
  2. How can the Army assess supply risk by weapon system and supplier?
  3. How can the Army reduce the likelihood and impact of supplier failure?
  4. How can the Army reduce risks stemming from its contracting processes?

As the United States Army winds down from over a decade of contingency operations, the Army's demand for repair parts is expected to decrease. Army Materiel Command (AMC) executives are concerned that a decrease in orders to suppliers could raise the risk that either the suppliers will shift production or fail, potentially disrupting the Army's supply chain. AMC is currently implementing a Strategic Sourcing and Supplier Relationship Management initiative to help the Army reduce supply chain costs by identifying strategic suppliers and working closely with them to improve performance. As part of that initiative, AMC asked RAND to determine the supply chain risk by supplier and the supply chain risk factors that are critical to AMC. This report documents a process and methodology that allow AMC to assess supply chain risk by repair part, supplier, and weapon system. It also presents the results of a workshop conducted with AMC's Strategic Sourcing Working Group to elicit their concerns about supplier risks facing the Army. The researchers concluded that only a few hundred of the 9,300 parts analyzed have much risk, mainly because of the large inventory still on hand. Among the factors that increase supply chain risk are lack of technical drawings, expired contracts, and unpredictable demand patterns. A key recommendation is that the Army should institute a regimen to track the risk associated with the supply of repair parts.

Key Findings

  • To identify supply chain risks most critical to the Army, RAND convened a workshop with AMC's Strategic Sourcing Working Group. The workshop identified the top three risks as demand fluctuation, funding uncertainty, and long lead-times. RAND found additional risks, such as lack of technical drawings, expired contracts, unpredictable demand patterns, reparability, whether the NIIN is sole-sourced, and whether the NIIN has downed a weapon system overnight.
  • Based on the identified risks, RAND developed a measure of supply chain risk by NIIN for 9,300 repair parts. RAND found that only a few hundred of the 9,300 parts analyzed have much risk, mainly because of the large inventory on hand.
  • RAND then used the NIIN risk measure to develop measures of supply chain risk by weapon system and supplier, by summing risk over all NIINs for each weapon system and supplier, combined with other factors associated with the weapon system and supplier.

Recommendations

  • To be able to assess which risks are most critical to the Army, and to assess supply risk by weapons system and supplier, RAND recommends that AMC develop a tool with the methodology described in this report.
  • To reduce the likelihood and impact of supplier failure, the Army should develop risk mitigation strategies for high-risk suppliers. Such strategies include identifying parts with no technical drawings and determining whether they should be developed, seeking new sources of supply, examining whether a part should be repaired, and assessing whether a supplier has contingency plans for natural hazards. Consider initiating an "internal supplier management" process, to improve demand planning and forecasting, and to reduce internal lead-times, especially for riskiest suppliers. For reparables, assess whether the repair cycle can be improved; for nonreparables, assess whether the NIIN could be made reparable. This approach complements AMC's strategic sourcing initiative by concentrating management attention on larger volume and value suppliers.
  • To reduce risks stemming from its contracting processes, the Army should examine the high risk NIINs, and determine whether a new contract is needed. The administrative lead time for contracting can be quite long and variable, risking depletion of inventory. This risk can be mitigated by monitoring expected years of supply, and pre-emptively making requests for proposals and other long lead time contracting process steps.

Table of Contents

  • Chapter One

    Introduction: Improving Supplier Relationship Management and Reducing Supply Chain Risk

  • Chapter Two

    How Businesses Manage Supply Chain Risk

  • Chapter Three

    What Can Disrupt the Supply Chain? Identification of Risks

  • Chapter Four

    How We Measured Risk

  • Chapter Five

    Analysis and Results

  • Chapter Six

    Conclusions and Recommendations

  • Appendix A

    Master List of Supplier Risks

  • Appendix B

    Workshop to Identify Enterprise-Wide Supply Chain Risks, May 2013

  • Appendix C

    Top 100 Highest-Risk NIINs

Research conducted by

This research was sponsored by AMC-G3/4 and conducted within the RAND Arroyo Center's Military Logistics Program. RAND Arroyo Center, part of the RAND Corporation, is a federally funded research and development center sponsored by the United States Army.

This report is part of the RAND Corporation research report series. RAND reports present research findings and objective analysis that address the challenges facing the public and private sectors. All RAND reports undergo rigorous peer review to ensure high standards for research quality and objectivity.

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