June 1, 2026

Management Advisory: The DoW’s Unclaimed Funds (Report No. DOWIG-2026-087)

This final management advisory provides the concerns found during the DoW Office of Inspector General’s review on Project No. D2026-D000AU-0036.001, “Management Advisory: The DoW’s Unclaimed Funds.” We previously provided copies of the draft management advisory and requested written comments on the recommendations. We considered management’s comments on the draft advisory when preparing the final advisory. These comments are included in this advisory. The Director, Defense Finance and Accounting Service, agreed to address the recommendations presented in this management advisory; therefore, we consider them resolved and open.

May 29, 2026

Semiannual Report to the Congress - October 1, 2025 Through March 31, 2026

The DoW OIG submits semiannual reports summarizing its activities as required by the Inspector General Act of 1978. These reports serve to apprise Congress and the Secretary of Defense of noteworthy findings, progress, and recommendations for improvement.

May 28, 2026

Summary Report: Lessons Learned from DoW OIG Reports on Military Construction (Report No. DOWIG-2026-086)

This summary report is one in a series of reports that summarizes key themes and lessons learned from our body of oversight work in several key areas. This report is related to military construction (MILCON). We offer these summaries to provide helpful and timely information relevant to DoW priorities.

May 27, 2026

Operation Inherent Resolve (OIR)

We are pleased to present this Lead Inspector General (Lead IG) report to Congress on Operation Inherent Resolve (OIR). This report fulfills our quarterly reporting responsibilities pursuant to the Inspector General Act of 1978, as amended.

May 27, 2026

Operation Southern Guard (OSG)

We are pleased to present this Lead Inspector General (Lead IG) report to Congress on Operation Southern Guard (OSG). This report fulfills our quarterly reporting responsibilities pursuant to the Inspector General Act of 1978, as amended.

May 20, 2026

Operation Southern Spear (OSS)

This report describes the activities of the U.S. Government in support of Operation Southern Spear (OSS) and presents OSS-related planned, ongoing, and completed oversight work conducted by the DoW OIG, State OIG, and our partner oversight agencies. This report covers the quarterly reporting period of January 1 through March 31, 2026.

May 20, 2026

Project Announcement: Termination of the Audit of the USS Boise Submarine Overhaul Contract (Project No. D2026-D000AT-0059.000)

We announced the subject audit on February 4, 2026 (attached). The objective was to assess the effectiveness of the Naval Sea Systems Command’s management of the USS Boise overhaul contract.

May 18, 2026

Project Announcement: Evaluation of the U.S. Army and Marine Corps’ Sustainment of Ashore Prepositioned Equipment at Subic Bay, Philippines (Project No. D2026-DEV0PA0095.000)

The purpose of this memorandum is to notify you that the DoW Office of Inspector General is initiating the subject evaluation.

May 15, 2026

Audit of the Defense Threat Reduction Agency’s Management of Grants (Report No. DOWIG-2026-085)

The objective of this audit was to determine whether the Defense Threat Reduction Agency (DTRA) effectively managed grants in accordance with the grant terms and conditions.

May 14, 2026

Operation Atlantic Resolve (OAR)

We are pleased to present this Special Inspector General report to Congress on Operation Atlantic Resolve (OAR). This report discharges our quarterly reporting responsibilities pursuant to Section 1250B of the National Defense Authorization Act for 2024 and Lead IG reporting responsibilities under 5 U.S.C. 419.