Returning to a Division Centric Army

[Tukhachevskii]

...what's the "Peter Principle" that both TAH and KW are refering to?

[Tom Odom]

...what's the "Peter Principle" that both TAH and KW are refering to?

promote people one grade above their level of competence

[Fuchs]

...what's the "Peter Principle" that both TAH and KW are refering to?

The Peter Principle is the principle that "in a hierarchy every employee tends to rise to their level of incompetence".
http://en.wikipedia.org/wiki/Peter_principle


It's one of the important rules of thumb about how people and organizations function. Others are Pareto Principle, a principle about bureaucracies (maximize until there's no further justification for growth) etc.