The US is sending a Patriot missile-defense system to the Middle East amid escalating tensions with Iran, ONA reports citing BBC.
A warship, USS Arlington, with amphibious vehicles and aircraft on board, will also join the USS Abraham Lincoln strike group in the Gulf.
US B-52 bombers have also arrived at a base in Qatar, the Pentagon said.
It said the moves were a response to a possible threat to US forces in the region by Iran, without specifying. Iran has dismissed it as nonsense.
Tehran has described the deployments as "psychological warfare" aimed at intimidating the country.