“Iran was probably involved in the attack on the USS Cole in 2000.”

The October 12, 2000 bombing of the USS Cole, which killed 17 U.S. sailors in Aden, Yemen, was carried out by al-Qaeda, not Iran. The FBI investigation, the Department of Justice prosecutions, and the bipartisan 9/11 Commission all attributed the suicide-boat attack to al-Qaeda operatives, and the U.S. tried and convicted al-Qaeda members for it. No criminal or intelligence-community attribution has ever identified Iran as the perpetrator or planner of the Cole bombing.

There is one genuine wrinkle, and it does not vindicate Trump's framing. In March 2015, a U.S. federal judge in a civil suit found Iran and Sudan liable for providing material support (training and logistics) to al-Qaeda's Yemen network, awarding damages to a victim's family. But that was a default civil judgment under the terrorism exception to sovereign immunity, decided on a lower evidentiary standard with Iran not contesting the case. It establishes peripheral support to the broader network, not that Iran was "involved" in the attack itself, which remains an al-Qaeda operation.

Trump deployed this contested, decades-old civil finding as if it were established fact to help justify launching the 2026 war on Iran. After his speech, a U.S. military judge in the stillpending Cole case ordered prosecutors to review any evidence of an Iranian role, underscoring that no such operational link had been established in the quarter-century since the attack. The operational responsibility is, and has always been, al-Qaeda's. "The USS Cole bombing was a suicide attack by al-Qaeda against USS Cole, a guided missile destroyer of the United States Navy, on 12 October 2000, while it was being refueled in Yemen's Aden harbor." — Documentary record (FBI, DOJ, 9/11 Commission)