In a statement, the Guards said their air defenses detected the drone over the island and brought it down with a newly developed system. The Guards' public relations office described the aircraft as the 17th MQ-1 shot down by Iranian forces.
Qeshm is Iran's largest island and lies on the northern approaches to the strait, a major route for Gulf oil and gas exports.
The Guards have made similar claims in recent days. In figures released earlier this month, they said their forces had shot down 16 MQ-1 and 56 MQ-9 drones, a total of 72 aircraft.
The US and Israel launched a war on Iran on Feb. 28. Washington and Tehran signed a memorandum of understanding on June 18 and began negotiations, which later stalled over how to ensure safe and free navigation through the Strait of Hormuz.
