EU's new defense union must not undermine NATO, warns Stoltenberg

The US fears the EU could undermine NATO if it uses its military cooperation pact to protect the bloc's defense industry.

Read more: Twenty-five EU states sign PECSO defense pact. The European Union's "permanent structured cooperation on defense agreement" (PESCO) has recently come under fire from US officials who fear it could divert resources away from NATO and undermine the alliance. Launched in December as a way for EU member states expand collaboration post-Brexit, the framework aims to spend military funds more efficiently.

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