An Iranian missile detonated over a maritime vessel in the Strait of Hormuz on September 14, shattering the deck of a U.S. battalion landing team and injuring eight Marines. The vessel was not a U.S. Navy ship, and the strike was not publicly disclosed until days later.
The Marines suffered smoke inhalation and concussion‑like symptoms; none sustained serious wounds, but several may have endured traumatic brain injuries. All eight returned to duty within hours of the attack.
The Pentagon did not issue a public statement at the time of the incident; the injuries were added to the Defense Casualty Analysis System on September 24, ten days after the strike. The delay was partly attributed to the delayed onset of concussion symptoms and the database’s non‑real‑time nature.
The updated record brings the U.S. war‑time casualties to 861, amplifying criticism that the Pentagon under‑reports or misclassifies injuries. A Washington Post investigation earlier this month highlighted that at least four U.S. service members killed in the conflict had not been reflected in official tallies.
The U.S. military maintains that terms such as "not seriously injured" and "combat casualty" have precise definitions that can be misunderstood. Still, the incident has intensified calls for greater transparency in casualty reporting amid the ongoing Iran conflict.