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 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.

April 29, 2026

Evaluation of DoW Voting Assistance Programs for Calendar Year 2025 (Report No. DOWIG-2026-078)

The objective of this evaluation is to assess the effectiveness of the Military Services’ voting assistance programs (VAPs) based on 2025 annual reviews by the respective Service Offices of Inspector General (OIGs), and in accordance with section 1566, title 10, United States Code (10 U.S.C. § 1566), 2020, as amended.

April 20, 2026

Project Announcement: Evaluation of the Military Services’ Implementation of Joint Interagency Task Force 401 Policy and Guidance to Defeat Small Unmanned Aircraft Systems (Project No. D2026-DEV0SR-0085.000)

The purpose of this memorandum is to notify you that the DoW* Office of Inspector General is initiating the subject evaluation in April 2026.

April 13, 2026

Evaluation of the Military Sealift Command’s Support to the U.S. Navy in the Western Pacific Ocean (Report No. DOWIG-2026-075)

This report contains classified information and no redacted version is available. To file a Freedom of Information Act Request, please submit a request to FOIA.gov.

April 13, 2026

Project Announcement: Audit of the Accreditation of the DoW’s Military Dental Treatment Facilities (Project No. D2026-D000RK-0079.000)

The purpose of this memorandum is to notify you that the DoW Office of Inspector General is initiating the subject audit.* We are conducting this audit in response to a legislative requirement in Public Law No. 119-60, “The National Defense Authorization Act for Fiscal Year 2026,” December 18, 2025.

April 13, 2026

Project Announcement: Evaluation of the Department of War’s Use of U.S. Airspace and Adherence to Aviation Safety Protocols (Project No. D2026-DEV0PD-0076.000)

The purpose of this memorandum is to notify you that the Department of War (DoW) Office of Inspector General is initiating the subject evaluation in response to a congressional request submitted by the Chairman and Ranking Member of the House Committee on Oversight and Government Reform’s Subcommittee on Military and Foreign Affairs

March 17, 2026

Management Advisory: Evaluation of Security Procedures for DoD Military Treatment Facilities in the National Capital Region (Report No. DODIG-2026-072)

This management advisory addresses the objective of our project, “Evaluation of Security Procedures for DoD Military Treatment Facilities in the National Capital Region” to assess the effectiveness of the DoD’s physical security at military treatment facilities (MTFs) in the National Capital Region (NCR).

March 11, 2026

Evaluation of the DoD’s Efforts to Implement FY 2024 National Defense Authorization Act Requirements for Fentanyl (Report No. DODIG-2026-068)

The objective of this evaluation was to determine the extent to which the DoD and Military Departments (MILDEPs) progressed toward: (1) having naloxone available on all military installations and in operational environments and (2) establishing a standardized tracking system for naloxone distribution and Service members’ illegal use of fentanyl