In most wars until comparatively recently it was common to have 25yos in charge of 100s to 1000s of men, including on occasion general officer rank. Even with

In most wars until comparatively recently it was common to have 25yos in charge of 100s to 1000s of men, including on occasion general officer rank. Even with modern peacetime career trajectories it is possible to have a 25yo captain commanding a company of ~200 soldiers. https://en.wikipedia.org/wiki/Roland_Bradford https://en.wikipedia.org/wiki/Roland_Bradford