Secretary of War Pete Hegseth on Tuesday rejected rumors that Iran is  using trained dolphins armed with explosives  to block the Strait of Hormuz — but left the public wondering whether the US might have such a fantastical capability. “It’s still pretty low-level kinetics at this point in time, and I can’t confirm or deny whether we have kamikaze dolphins — but I can confirm they don’t,” he said. Chairman of the Joint Chiefs of Staff Dan Caine chuckled at the notion. The United States Navy has been training marine mammals for years. Getty Images “I haven’t heard the kamikaze dolphin thing.…