http://dx.doi.org/10.17176/20220304-001147-0 https://verfassungsblog.de/time-for-military-integration-in-the-eu/ Time for Military Integration in the EU? - Armed aggression and the scope of Article 42 TEU Leino-Sandberg, Päivi Ojanen, Hanna eng 2022-03-03 electronic resource text/html ddc:342 Art. 42 TEU Common Defence and Security Policy Russian War against Ukraine security Verfassungsblog Verfassungsblog--2366-7044 CC BY-SA 4.0 For decades, the EU’s security and defence policy was largely looked at as a theoretical piece in the overall puzzle of the Union’s external role. During the past week, however, the unthinkable happened, and European defence policy has taken a significant leap forward. This brings to fore questions about the legal nature of the security and mutual assistance provisions in the EU Treaties, including the relationship between aligned and non-aligned States in EU defence policy.