The United States military has fired on and disabled two Iranian oil tankers after exchanging fire with Iranian forces in the Strait of Hormuz.The United Arab Emirates, meanwhile, reported another Iranian missile and drone attack.The attacks cast more doubt on a tenuous month-old ceasefire that the US has insisted is still in effect Earlier in the week, an American military jet shot out the rudder of a tanker the US military said was attempting to breach its blockade.Late Thursday, the US military said it thwarted Iranian attacks on three Navy ships in the Strait of Hormuz and struck Iranian military facilities in response