https://www.nytimes.com/2019/06/06/world/europe/us-defense-spending-nato.html
https://www.aspistrategist.org.au/ukraine-style-naval-attack-drones-present-challenges-but-they-are-not-revolutionary/
https://ukandeu.ac.uk/the-effects-of-the-war-in-ukraine-on-european-defence-deeper-eu-integration/