The U.S. is shifting military aircraft and warships into and around the Middle East to protect Israel from Iranian attacks.

Tens of thousands of U.S. troops are within Iran’s striking distance should President Trump decide to wade into Israel’s conflict with Tehran and directly attack the country. More than 40,000 American service members and civilians — as well as billions of dollars in military equipment — are in the Middle East,

Iran warns of consequences for U.S. intervention in conflict as Trump weighs striking nuclear facilities, putting American troops at Middle Eastern bases at increased risk.