He wrote about this on his page on Twitter.

“The United States military, together with an interagency group, is working with our partners on how to respond to unprecedented attacks and defend a rule-based international order that undermines Iran,” said Esper.

Earlier, US President Donald Trump announced his desire to “avoid war” with Iran, which the US side accuses of attacking the oil infrastructure of Saudi Arabia.

Along with these, Trump called the military action a proportional response to the attack on Saudi Aramco.