Iran launched more than a dozen ballistic missiles overnight from three locations inside the country at two Iraqi bases where U.S. soldiers are deployed, but there were no casualties due to the military’s early warning systems, U.S. Defense Secretary Mark Esper said Wednesday.

Esper spoke to the press at the Pentagon after meeting with U.S. Joint Chiefs Chairman Gen. Mark Milley and members of the House of Representatives and Senate.

“Iran last night sent 16 short-range missiles from three different regions to two bases where the U.S. and coalition soldiers are stationed. Eleven missiles hit the Ain al-Asad base

Read more: US defense chief says Iran intended to kill US soldiers