A CRITICAL ANALYSIS OF MATERIAL WEAKNESSES IN THE U.S. NAVY'S ASSURANCE REPORTS FROM 2013 TO 2022
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Authors
Ofuka, Daniel O.
Advisors
Rendon, Juanita M.
Second Readers
Menichini, Amilcar A.
Subjects
material weaknesses
Committee of Sponsoring Organizations of the Treadway Commission
COSO
information technology
IT
Corrective Action Plan
CAP
Property, Plant, and Equipment
PP&E
Department of the Navy
DON
Department of Defense
DoD
Government Accountability Office
GAO
Office of Management and Budget
OMB
Naval Audit Service
NAS
Auditor General of the Navy
Ernst & Young
EY
Defense Finance and Accounting Service
DFAS
Statement of Assurance
SOA
fiscal year
FY
Committee of Sponsoring Organizations of the Treadway Commission
COSO
information technology
IT
Corrective Action Plan
CAP
Property, Plant, and Equipment
PP&E
Department of the Navy
DON
Department of Defense
DoD
Government Accountability Office
GAO
Office of Management and Budget
OMB
Naval Audit Service
NAS
Auditor General of the Navy
Ernst & Young
EY
Defense Finance and Accounting Service
DFAS
Statement of Assurance
SOA
fiscal year
FY
Date of Issue
2025-12
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
This study examines a decade of Department of the Navy (DON) Statement of Assurance (SOA) reports from Fiscal Year (FY) 2013–2022 to determine why recurring material weaknesses persist despite reform efforts. Using the Committee of Sponsoring Organizations of the Treadway Commission (COSO) Internal Control Integrated Framework and auditability theory, 122 material weaknesses were mapped to internal control components and assessed for persistence over time. These material weaknesses were cataloged in a structured database and analyzed via quantitative trend analysis and qualitative cross-component evaluation. The findings revealed recurring material weaknesses in five areas: Property, Plant, and Equipment (PP&E) accountability; feeder-system reconciliation; contract oversight; Corrective Action Plan (CAP) validation; and Information Technology (IT) access controls. These stem from decentralized execution, personnel turnover, and manual controls, highlighting systemic barriers to auditability within the DON. The findings also indicated that 50% of persistent deficiencies occurred in control activities, underscoring gaps in the implementation of processes. This study concluded that sustained audit readiness demands enterprise-wide process standardization, workforce stability, expanded automation, and enhanced leadership accountability. These recommendations provide a roadmap for durable DON internal control improvements and the Department of Defense’s (DoD) clean audit goal.
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NPS Report Number
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Distribution Statement
Distribution Statement A. Approved for public release: Distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
