The 1999 Arms Deal created a culture of procurement impunity in the defence sector that persists 25 years later. While the Arms Deal is well-documented as South Africa's foundational corruption scandal, the ongoing, systemic procurement fraud at the Department of Defence represents a separate — and in some ways more damaging — pattern of corruption.

The Auditor-General has documented R5B+ in cumulative irregular expenditure at the Department of Defence over a decade. The figure is likely a significant undercount because the department routinely uses national security classification to restrict the AG's access to procurement documentation. The AG has explicitly noted that classification is used to shield routine procurement from scrutiny — not genuinely sensitive operational matters.

The R4.3 billion SANDF ammunition procurement contract epitomises the problem. The SIU investigation found that specifications were tailored to eliminate competition, pricing was inflated, and deviations from competitive bidding were unjustified. Rheinmetall Denel Munition (RDM) was the primary beneficiary. Separately, an explosion at the RDM Macassar plant killed 8 workers in September 2018, raising questions about cost-cutting on safety.

The Department of Military Veterans — established in 2009 — has been plagued by ghost beneficiaries and housing fraud. R500M+ in cumulative irregular expenditure includes payments to deceased persons, fictitious beneficiaries, and non-veterans who never served. The database integrity is compromised, and the political sensitivity of veteran communities is exploited to shield fraud from scrutiny.

No Defence Minister has faced consequences for departmental financial governance failures. Nosiviwe Mapisa-Nqakula served as Defence Minister for nine years (2012-2021) while irregular expenditure escalated from hundreds of millions to billions. She was promoted to Speaker of the National Assembly. Her eventual arrest in September 2023 — on 6 counts of corruption, allegedly receiving R4.2M from a convicted fraudster — was for personal corruption, not for the billions in irregular expenditure on her watch.

The submarine maintenance crisis proves the Arms Deal was a catastrophe beyond its initial corruption: the R4.7B submarines have cost additional billions in maintenance while producing near-zero operational capability. The SA Navy has struggled to keep even one of three Type 209 submarines operational, at a cost that exceeds the original procurement price.