Michael Bohnert is an engineer and a defense researcher with RAND, a U.S. non-profit global policy think tank. Mr. Bohnert reviews what it will take for Ukraine to maintain its defenses against Russia in the current war. He also considers what the vulnerabilities are for both countries. And, he examines Ukraine's drone strikes against Russia's energy infrastructure and their potential impact on the country's economy. https://www.rand.org/pubs/commentary/2025/10/ukraines-drone-inflicted-oil-sanctions-will-impact.html https://www.rand.org/about/people/b/bohnert_michael.html