Day 537.Today – further to reporting on advances at the battlefront – we discuss the sudden implosion of the Russian rouble, the arrest of three suspected Kremlin spies in Britain, and do a deep dive into the alleged failures in Nato training provided to Ukrainian forces, and how such deficiencies might be remedied.Contributors:Francis Dearnley (Host, Assistant Comment Editor). @FrancisDearnley on Twitter.Dominic Nicholls (Associate Editor, Defence). @DomNicholls on Twitter.Daniel Ridley (Trident Defence Initiative). @TridentDefUKR on Twitter.Read the article Francis cites: https://onlinelibrary.wiley.com/doi/10.1111/joms.12933Subscribe to The Telegraph: telegraph.co.uk/ukrainethelatestEmail: ukrainepod@telegraph.co.ukSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.