Mr. Kent is the highest-ranking Trump administration official to quit in opposition to the conflict. He said pressure from Israel had pushed the president into war against Iran.
“I cannot in good conscience support the ongoing war in Iran,” Mr. Kent, the director of the National Counterterrorism Center, wrote in a social media post. “Iran posed no imminent threat to our nation, and it is clear that we started this war due to pressure from Israel and its powerful American lobby.”