After more than four months of Russia’s aggression against Ukraine, open-source data confirms that the Russian Armed Forces lost, at a minimum, over 830 tanks and 1,650 different types of armored vehicles (destroyed, damaged, abandoned or captured) as well as dozens of combat aircraft and helicopters and many other pieces of military equipment (Oryxspioenkop.com, accessed July 6). This data also does not count damaged but survived weapons systems that Russian troops were able to haul back to their bases; those systems will need a full overhaul before returning to the battlefield. Another issue Russia faces in Ukraine is a looming...