Pete Hegseth: No defense secretary has been impeached in U.S. history for carrying out lawful military operations. Our verdict: False.

Pete Hegseth made the claim during a news briefing on 10 November 2026, as reported by NXS Media Wire.
Our verdict
False
The claim is false. A Secretary of War was impeached in 1876, and the current impeachment articles against Pete Hegseth allege his Iran operations were unlawful, not lawful.
What we found
We reached a false verdict for two reasons. First, the House of Representatives impeached Secretary of War William Belknap in 1876, according to the House History, Art & Archives website. That directly contradicts the claim that no defence secretary has ever been impeached. Second, the impeachment articles filed by Rep. Massie in September 2026 explicitly allege that Hegseth's military operations in Iran were unlawful, according to Rep. Massie's House website. So the impeachment effort is not about carrying out lawful operations. Hegseth has said the operations were lawful, but that is his own assertion, not independent proof.
The evidence
3 of 6 sources contradict the claim; none support it.
- Background
Pete Hegseth claimed that no defence secretary has been impeached in U.S. history for carrying out lawful military operations. [1]
- Contradicts the claim
The articles of impeachment filed by Rep. Massie explicitly allege that Hegseth's military operations in Iran were unlawful. [2]
- Background
William Belknap was the only Secretary of War or Defence impeached in U.S. history before the current proceedings, and his impeachment was for corruption, not military operations. [3]
- Background
Pete Hegseth claimed that no secretary of war or secretary of defence has been impeached for carrying out lawful military operations. [4]
- Contradicts the claim
William W. Belknap, a U.S. Secretary of War, was impeached by the House of Representatives in 1876. [5]
- Contradicts the claim
The U.S. House of Representatives impeached Secretary of War William Belknap in 1876. [6]
What we could not confirm
- Whether the historical title 'Secretary of War' is legally equivalent to the modern 'Secretary of Defense' in all contexts.
- The legal status of Hegseth's Iran operations remains disputed, so the unlawfulness allegation in the impeachment articles is not definitively settled.
- Whether the impeachment record is exhaustive.
How we checked
We looked at House of Representatives impeachment records, the articles of impeachment filed against Hegseth, and news reports about his statements and the impeachment process. We reviewed 9 relevant sources.
Sources
- [1]www.nxsmediawire.com · Hegseth says bipartisan impeachment push is about ‘policy disagreements,’ not high crimes
- [2]massie.house.gov · Rep. Massie Forces Vote to Impeach Secretary of Defense Peter Hegseth · September 15, 2026
- [3]nbcnewyork.com · Hegseth impeachment push: How the impeachment process of a Cabinet secretary works · November 10, 2026
- [4]war.gov · Hegseth: Impeachment Over Policy Disagreement Sends Wrong Signal to Adversaries
- [5]history.house.gov · List of Individuals Impeached by the House of Representatives | US House of Representatives: History, Art & Archives
- [6]history.house.gov · The Impeachment of Secretary William Belknap | US House of Representatives: History, Art & Archives · March 2, 1876
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