American forces have been operating in the air, at sea, and on land to counter what Israeli military sources described as a sustained Iranian response to Israeli strikes.

The Israel Defense Forces announced Friday that more than 100 Iranian drones were launched toward Israel in retaliation for Israeli airstrikes earlier in the day targeting Iran’s nuclear and military infrastructure.

The US military is helping intercept missiles that Iran fired in retaliation at Israel, a US official says. The US has been moving assets nearer to Israel to assist in missile intercepts and to provide better protection of US bases in the region.