Constitutional, legal and institutional implications of a common security and defence policy: possibilities offered by the Lisbon Treaty

The dossier concerns the constitutional, legal and institutional implications of a common security and defence policy and the possibilities offered by the Lisbon Treaty. The amendments debate framing a common defence policy under the CSDP, its relationship with NATO and the North Atlantic Treaty, the mutual defence clause and Petersberg Tasks, European strategic autonomy versus national competence, and threats cited including Russia and the group known as Islamic State.