text: In this Wednesday, May 29, 2019 photo released by the U.S. Air Force, A U.S. Air Force F-35A Lightning II flies alongside a KC-135 Stratotanker assigned to the 28th Expeditionary Air Refuelling Squadron out of Al Udeid Air Base, Qatar. Saudi Arabia's foreign minister on Thursday urged Muslim nations to confront recent attacks in the region that the U.S. and its allies have blamed on Iran with "all means of force and firmness." (Staff Sgt. Chris Drzazgowski/U.S. Air Force via AP