The diplomatic and economic blockade of Qatar launched on June 5, 2017 has gravely weakened the Gulf Cooperation Council and raised questions in the United States about the reliability of Saudi Arabia and the United Arab Emirates as reliable political and security partners. This has important implications for socio-political stability and regional security in the Gulf against a backdrop of a generational transition of leadership and a far more assertive and unpredictable thrust of policymaking coming out of regional capitals.