Even in the exigencies of World War II, beginning in September of 1940, it took the US four years to turn a flow of raw draftees into an effective fighting force that could take on Nazi Germany directly on the European plain in the middle of 1944. Today's Russia is a far less organized and coherent society and is incapable of properly training, equipping, and leading half a million troops in just a few months.
Simply put, the putative Russian plans are delusional and a recipe for massive casualties.
How will such a mass of conscripts be trained, equipped, deployed, and then supported in the field
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Where are the weapons and materiel? Where are the trainers?
Material supplied by previous soldier, retrieved on the battlefield. The trainers were used up by last June and returned home as 200s.
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Where will the officers to lead the conscripts come from?
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From their distant command centers through radio commands. Its pretty easy as the standing order is ‘attack, attack and attack’.
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a recipe for massive casualties.
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Mass casualties are expected and discounted. Considered a trading of low value human material (Russian conscripts) in exchange tor high value human material (Ukraine troops).
They are indeed. To build an army from scratch (mostly), like the Soviets did after the disastrous losses of 1941, takes about 18 months to do it right. The new armies showed up in late 1942 as the armies which took the offensive in the Stalingrad area. It takes a good while to train units for gunnery, tactical training and staff and logistical support. Stint of the training and you get a lot of casualties from simply not knowing what to do in a situation.