Top Trump administration national security officials facing back-to-back congressional hearings starting Wednesday are expected to be pressed on the war in Iran, including a deadly strike on a school, as well as the FBI’s capacity to prevent terror attacks inside the United States.

The annual worldwide threats hearings involving the government’s senior-most intelligence officials are taking place at a time of scrutiny over the U.S. military campaign in the Middle East and heightened concerns about terrorism in the homeland following recent attacks at a Michigan synagogue and Virginia university.