Bangladesh, May 25 -- A widening corruption probe is shaking the foundations of NATOs procurement apparatus, as Belgian authorities-working alongside European partners-investigate allegations of bribery, confidential leaks, and illicit laundering of funds involving officials at the NATO Support and Procurement Agency (NSPA). The scandal, which centers on the awarding of arms contracts, underscores deep vulnerabilities in the Alliances procurement oversight and threatens to damage trust in one of NATOs most vital operational branches.

According to the Belgian Federal Public Prosecutors Office, investigators are looking into “irregularities in awarding contracts to defense contractors for the purchase of military equipment for NATO.&...