The Ukrainian armed forces have already killed or wounded upwards of 100,000 Russian troops, half its original fighting force; there have been almost 8,000 confirmed losses of armored vehicles including thousands of tanks, thousands of APCs, artillery pieces, hundreds of fixed and rotary wing aircraft, and numerous naval vessels. US spending of 5.6% of its defense budget to destroy nearly half of Russia’s conventional military capability seems like an absolutely incredible investment. If we divide out the US defense budget to the threats it faces, Russia would perhaps be of the order of $100bn-150bn in spend-to-threat. So spending just $40bn...