US President Joe Biden said that he has made a decision on how to respond to the drone attack that killed three U.S. soldiers and injured dozens of others at a base in northeast Jordan.

As Biden departed the White House on Tuesday morning, a reporter asked him whether he had made a decision in response to the attack by Iran-backed militants Sunday. He replied, "Yes."

Biden vowed Sunday to retaliate and “hold all those responsible to account at a time and in a manner [of] our choosing" for the deadly attack, which injured more than 30 soldiers.

Asked whether he holds Iran responsible for the attack, he said he does “in the sense that they’re supplying the weapons to the people who did it.”

The attack led to the first U.S. deaths at the hands of Iranian-back militant groups since the Israel-Hamas war began Oct. 7.