Pentagon accuses fired US general of leaking sensitive information

Lieutenant General Brett Sylvia was removed as the Joint Chiefs’ top military planning officer. The Pentagon says he is under investigation for allegedly sharing classified information with journalists, making the case both a personnel action and possible criminal matter.

Defence Secretary Pete Hegseth fired Sylvia on Wednesday, without initially giving a reason. Later, an unnamed Pentagon official said Sylvia allegedly discussed the Iran war, Russia-Ukraine conflict, and other subjects with reporters. The official also claimed Sylvia failed three polygraph tests about leaking classified information.

Pentagon spokesman Sean Parnell said officials acted to protect sensitive information and referred the matter to the Justice Department. Sylvia has not publicly responded, and it remains unclear why civilian prosecution might be pursued instead of military proceedings. The episode follows other leak accusations and tighter Pentagon media restrictions under Hegseth.

The office is the Joint Staff’s senior hub for strategy, planning and policy. It and its staff generate and coordinate military plans for the chairman of the Joint Chiefs and the president. This matters because leaders need one organised picture before deciding how military forces should be used.

For example, Lieutenant General Brett Sylvia led the office before Defence Secretary Pete Hegseth fired him. The article says Sylvia was not a central planner for the Iran conflict; that role belonged to US Central Command. Still, the office’s broader work supports senior decisions by connecting plans across military leadership.

Currently, officials say Sylvia was investigated over alleged leaks about Iran, the Russia-Ukraine conflict and other topics. The Pentagon said he failed three polygraph tests and referred the matter to the Justice Department. The episode shows the office’s importance and sensitivity: its planning role depends on trusted handling of classified information.

Sylvia had 32 years of military service, making him a highly experienced senior officer. His three-star rank means lieutenant general, one level below a four-star general and above a two-star major general. In the US Army, it is a senior leadership rank, usually carrying major command or strategic responsibilities.

Sylvia’s recent position showed that responsibility clearly. He led strategy, plans and policy for the Joint Chiefs of Staff, coordinating military plans for the chairman and president. Before that, he commanded the 101st Airborne Division at Fort Campbell until May 2025 and served as vice-director of the same Joint Staff office.

Today, the rank signals senior authority, not automatic control of every operation. The Pentagon said he was not a central planner for Iran, which belonged to Central Command. His awards included six Bronze Stars, one for valour, and a Purple Heart from combat wounds.

Classified information is government information restricted because unauthorized release could damage national security, military operations, intelligence sources, or diplomatic efforts. Access is limited to cleared people with a need to know. Sharing it with journalists can become a crime when it knowingly violates secrecy rules or federal laws protecting national-defense information.

The Pentagon said Lieutenant General Brett Sylvia faced an investigation. It alleged he shared classified details about the Iran war, Russia-Ukraine conflict, and other subjects with journalists. Officials also said he failed three polygraph tests and referred the matter to the Justice Department. That referral suggests possible civilian charges, although the article says the legal path remains unclear.

These allegations do not establish guilt. Journalists may legally receive leaks; the legal risk usually falls on unauthorized sources who knowingly disclose protected information. Under Hegseth, the Pentagon has tightened media access, requiring escorts and declaring its press office classified and inaccessible. The case shows why classification matters: it controls access, but accusations still require fair legal process.

Polygraph tests do not detect lies directly. They record bodily changes, including breathing, pulse, blood pressure, and sweating, while someone answers questions. Examiners interpret reactions as possible stress linked to deception. Fear, confusion, anger, or the testing situation can create similar reactions.

In Sylvia’s case, Pentagon officials said he failed three polygraph tests during an investigation. The allegations involved leaks about Iran, Russia-Ukraine, and other subjects. That result may raise suspicion, but it does not show what caused reactions or prove he shared classified information.

The article says the Pentagon referred the matter to the Justice Department for possible legal action. Polygraph results therefore need independent evidence, such as records, messages, or witness testimony, before supporting a firm conclusion. Their reliability is debated, and many courts restrict or reject them because physiological stress has multiple possible causes.

Justice Department evidence could lead to federal charges over alleged unauthorized disclosure of classified information. Prosecutors would need to prove the relevant offense, not merely show that Sylvia spoke with journalists. The article does not identify charges or possible penalties.

A comparable case involved former intelligence contractor Reality Winner. She pleaded guilty in 2018 to sending a classified report to a news organization. She received 63 months in prison under federal law governing unauthorized transmission of defense information. Sylvia’s outcome could differ substantially, depending on the evidence and charges filed.

For now, Sylvia is only described as under investigation, not convicted or charged. The Pentagon says he failed three polygraph tests and referred the matter to Justice Department. Polygraph results alone do not establish guilt. The article says it remains unclear whether civilian prosecutors or military courts would handle the case.

The Pentagon usually handles the immediate security and personnel response. It can remove an official, investigate suspected leaks, and restrict access to classified material. Military courts can address offenses under military law, while the Justice Department can bring federal charges in civilian court. The article does not explain which route will prevail.

A current example is Army Lieutenant General Brett Sylvia. Defence Secretary Pete Hegseth removed him from the Joint Chiefs’ top planning post. A Pentagon official said Sylvia was investigated for allegedly sharing classified information about Iran, the Russia-Ukraine conflict, and other subjects. The official also said Sylvia failed three polygraph tests. Pentagon spokesman Sean Parnell said the case went to Justice for potential further legal action.

That referral creates an important division, but not a final verdict. The article says it is unclear why civilian prosecution might replace military proceedings. Sylvia has not publicly answered the allegations. Future action could determine whether prosecutors file charges, military authorities act, or neither does.