A great dive into the harrowing tale of how the US army employed meatwave tactics from World War II through Vietnam. The army implemented Individual Replacement System with a callous disregard for the lives of their own soldiers, resulting in the average life expectancy of a US rifleman in WW2 being just 7-10 days. The system also created a lack of unit cohesion, as soldiers were constantly being rotated in and out of units.
https://www.youtube.com/watch?v=qJL-NzqIkUs#history