The security environment across the Atlantic is turning unpredictable and complex with a resurgent Russia, NATO increasing its military presence in Eastern Europe, and the EU imposing financial sanctions on Russia. It has become the need of the hour for the EU as well as NATO as security actors to enhance their collective defence capabilities and move towards greater cooperation. This was made visible in the signing of their joint declaration on January 10, 2023 which reiterated the Union’s commitment to NATO Treaty Article 5.