Ukraine is under attack. The world is responding with financial warfare. It's a new domain in multi-domain operations. Air. Land. Maritime. Space. Cyber. Finance.

We explore how financial warfare happens: how SWIFT works and why Russia's been kicked off, how the US can enforce sanctions all over the globe, and what freezing Russia's central bank reserves means for Russia's economy.

We conclude with a look at what each of us can do to support Ukraine. They're small acts, but they make a very real difference.

Check out this week's letter for the full story. Follow @FatTailThoughts on Twitter and your co-hosts @KleeBeard and @StevenDickens3 for more content.