The armed service whose books are clean.
U.S. Coast Guard · consolidated into the DHS financial statements
The Coast Guard is a uniformed armed service — and it does not get its own audit opinion. As a component of the Department of Homeland Security, its financial activity is consolidated into the Department's consolidated financial statements, which have earned an unmodified (clean) opinion every year since FY2013. The other armed services sit inside the Department of Defense, which has never earned one. The difference is not the uniform; it is whether financial data traces, reliably, from a recorded transaction back to its source — the discipline a clean opinion requires, and the discipline this monitor practices.
The audit record
Why this monitor
A multi-year clean-opinion streak proves the standard is reachable even for a sprawling department that carries a uniformed armed service — when financial data can be traced from a recorded transaction back to its authorization. Every figure on this Coast Guard monitor resolves to a published source and recomputes against the budget's own arithmetic: the discretionary appropriations re-summed to the published Net and Gross Discretionary subtotals, the standing mandatory and fee accounts kept strictly separate, reconciliation shipbuilding flagged and never folded in. That is the same data discipline a clean opinion demands.
Sources are linked at each node. The clean-opinion record is the DHS OIG independent auditor's reports and the DHS Agency Financial Report — into which the Coast Guard is consolidated; the Coast Guard's own examination is the component management letter. The DoD contrast is drawn from DoD's own audit reports and GAO's High-Risk List.