Iran does not have an active military dolphin unit, US Secretary of Defense Pete Hegseth confirmed this week, amid concerns about Iran laying underwater mines in the Strait of Hormuz.However, Hegseth said he would neither “confirm nor deny whether [the US] has kamikaze dolphins.”Dolphins serving in the military may sound like a conspiracy, but it's a widely used detection system. They are among the most intelligent animals on Earth, possessing large brains, complex social structures, and