Saudi Arabia , UAE , Qatar , Bahrain and Jordan participated in the strikes on ISIS targets . Obama has moved from reluctance to launch strikes to ordering Monday¹s campaign . Here is a timeline of the major events leading up to U.S. action in Syria : . Coalition strikes began the evening before Obama visits the General Assembly . Focus is on stemming the flow of foreign - born fighters who join up with ISIS , other groups .
Saudi Arabia , UAE , Qatar , Bahrain and Jordan participated in the strikes on ISIS targets . Obama has moved from reluctance to launch strikes to ordering Monday¹s campaign . Coalition strikes began the evening before Obama visits the General Assembly . Focus is on stemming the flow of foreign - born fighters who join up with ISIS , other groups .