Ukraine is a war of attrition because its primarily being supplied by other countries which are dripfeeding supplies while Russia has to slowly unmothball a lot

Ukraine is a war of attrition because its primarily being supplied by other countries which are dripfeeding supplies while Russia has to slowly unmothball a lot of kit. If the USA actually went to total war it would likely be over long before the average Joe Blogs can be turned into a useful warfighter.