A still image from surveillance video provided by the U.S. military shows what they say is a drone being shot down over the Strait of Hormuz, June 20, 2019. (Photo/Agencies)
File photo: An undated U.S. Air Force photo of a RQ-4 Global Hawk unmanned (drone) aircraft.(Photo/Agencies)
A "3 Khordad" system, which is said to had been used to shoot down a U.S. military drone is being launched in this screen grab taken from an video. (Photo/Agencies)
