- NATO countries, including the US, are gathering lots of useful intelligence from the Ukraine war.
- But Russia's biggest supporters like Iran, China, and North Korea are also learning from the fight.
- Among their takeaways is a deeper understanding of Western equipment, a top Russia expert warned.
NATO has been closely watching how the Russian military performs in Ukraine and gathering valuable intelligence on a range of things, from Moscow's battlefield tactics and procedures to some of its more advanced weapons systems.