Pedro Serrano, the deputy director general for Common Security and Defence Policy and crisis response a the European External Action Service, discusses US concerns with European Union’s Permanent Structured Cooperation and the European Defence Fund, more quickly spotting and stabilizing security challenges before they require military action, preserving the Iran nuclear deal, China and more with Defense & Aerospace Report Editor Vago Muradian at the EU’s annual defense and security conference in Washington, sponsored by the EU and Foreign Policy.