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By Aurax Desk | September 5, 2026 | 2 min read
U.S. government investigators have subjected about 50 members of the Joint Staff to polygraph examinations as part of an investigation into unauthorized disclosures of sensitive military information. The inquiry comes after reports about declining U.S. weapons stocks during the war with Iran raised concerns inside the Pentagon about how classified information was reaching journalists.
Senior U.S. military officials attend a Pentagon meeting as investigators examine leaks involving sensitive defense information.
The examinations were conducted in August and involved military officers and civilian employees, according to reporting by The New York Times cited by other outlets. Investigators questioned personnel about whether they had provided classified information to journalists, including details concerning the availability of long-range missiles, Patriot interceptors and other advanced munitions. The scale of the testing is unusual, although polygraphs are sometimes used as part of security and counterintelligence procedures for senior government personnel. Not every senior military official was tested; Gen. Dan Caine, chairman of the Joint Chiefs of Staff, was among those not subjected to an examination, according to a senior Pentagon official cited by CBS News.
The leak investigation is part of a broader effort by Defense Secretary Pete Hegseth and the Trump administration to restrict unauthorized disclosures of information from the Pentagon. The administration has taken other measures aimed at identifying sources of leaks, while the department has faced increased scrutiny over military operations and weapons availability during the Iran conflict. The Pentagon has also restricted access to some classified information following media reports about disagreements among senior military leaders over the war, underscoring the growing sensitivity surrounding internal military deliberations and operational information.
Sources: CBS News, The New York Times, Firstpost, TheWrap and The Washington Post.