In the weeks since war broke out in Europe, thousands of Finns have signed up with training associations to sharpen their military skills or learn new ones like first aid. For years, joining NATO, which was created to limit Soviet expansion, seemed like a distant possibility for many Finns. Now, it is an urgent option for many, with some Finns noting that Ukraine's efforts to join the alliance were rebuffed before it was invaded. For more on Finland's preparations and history with Russia, visit the link in our bio. 📸: @sandyhooper, USA TODAY; USA TODAY graphics