( CNN ) -- The Iranian navy fired four missiles into the Persian Gulf , sinking a target the size of a warship , the country 's military said , according to state-run Press TV . The missile drill comes as the United States and other military conduct massive minesweeping exercises in the Arabian Gulf . The U.S. military says these exercises are strictly `` defensive , '' but the show of force in light of Iran 's threats to mine the Strait of Hormuz is hard to ignore . The Islamic Revolution Guard Corps fired the missile simultaneously at the large target , which sank in 50 seconds , Navy Cmdr . Rear Adm. Ali Fadavi said , according to Press TV . Fadavi pointed out that Iran 's missile systems can reach the entire Persian Gulf , including past where U.S. bases are located , Press TV reported . In reference to the minesweeping drill , Fadavi said Iran is keeping a `` moment-by-moment watch on every move of the Americans . '' `` Over the past years , we have not neglected to enhance our naval capabilities , particularly in the field of mines , and these capabilities are unimaginable to the Americans , '' Fadavi said , according to Press TV . The Pentagon did not immediately confirm if such a missile test was carried out .
Iran says a drill involved the launching of four missiles . The missiles hit and sank a target the size of a warship , Iran says . The test comes as the United States and others conduct minesweeping exercise .