Iran’s paramilitary Revolutionary Guard announced Monday that it has significantly upgraded the range of its anti-warship missiles, the state-run news agency reported.

The Guard says it now possesses surface-to-surface and subsurface anti-warship missiles with a range as high as 700 kilometers (430 miles), according to its top naval officer, Adm. Ali Reza Tangsiri.

In September, Iranian officials said the country’s most advanced anti-warship missiles had a range of about 300 kilometers, or about 180 miles.

Iran periodically announces major advances in its weapons capabilities that cannot be independently verified. Its armed forces are believed to have surface-to-surface missiles with a range of 2,000 kilometers, or 1,250 miles, that can reach Israel and U.S. bases in the Middle East.

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