The proudest moment in the US Army's history - the downfall of the US army in Vietnam, when certain 'more honourable than murder' principles took hold of the hearts of soldiers:
The Real Reason the US Lost in Vietnam - US Troops Were in Open Revolt, Killing Over 300 Officers in 1971 https://russia-insider.com/en/real-reason-us-lost-vietnam-us-troops-were-open-revolt-killing-over-300-officers-1971/ri30696 Despotism only gets a free ride for so long...