This module introduces students to the external dimension of the European Union's politics and policies with a particular emphasis on security aspects. It comprehensively discusses the EU's foreign and security policies. It also explores various aspects of the EU's encounter with the external world, including peace operations in the Balkans and Africa, the struggle against piracy at the Horn of Africa, counter immigration in the Mediterranean, transatlantic relations, EU-China relations, and EU's reactions to 2011 North African events. Finally, the module considers the limitations to the EU's power, and questions the Union's achievements as a security actor.