Iran's Explosion Voice on the Iranian island of Gashm says it was used against enemy targets. Here

On 7 August, at about 2140 hours local time, two explosions were heard on the Iranian island of Gashm. According to the Iranian side, the sound of the explosion was caused by an attack on enemy targets near the entrance to the Strait of Hormuz and the results of the operation will be made available to the public in the coming hours. (observed)