Iranian aircraft shot down an American drone over the Strait of Hormuz amid heightened tensions between the two countries. 2019 Iranian shoot-down of American drone: On June 20, 2019, Iran's integrated system of Air Defense Forces shot down a United States RQ-4A Global Hawk BAMS-D surveillance drone with a surface-to-air missile over the Strait of Hormuz. Iran and the U.S. differ on where the incident actually occurred. Iranian officials said that the drone violated their airspace, while U.S. officials responded that the drone was in international airspace. June 20, 2019. Wiki link