Best highlighted in 2018, when the EU found itself dealing with a disengaged US global leadership under the Trump administration. French President Emmanuel Macron has established himself as a driving force of the ‘European Army idea, calling for a united Europe able to defend itself from external threats, without the auspices of the US. Macron’s urge was later endorsed by German Chancellor Angela Merkel, with the caveat that such an army would complement NATO, not compete with it.
https://www.neweurope.eu/article/its-time-to-rebrand-or-put-the-idea-of-a-european-defense-force-to-rest/