The Ukrainian flag is raised again in Kupyansk “How did you go bankrupt?” Two ways. Gradually, then suddenly.” ― Ernest Hemingway, The Sun Also Rises. As with bankruptcy so with military defeat. What appears to be a long, painful grind can quickly turn into a rout. A supposedly resilient and well-equipped army can break and look for means of escape. This is not unusual in war. We saw it happen with the Afghan Army in the summer of 2021.