These are not radical moves. Recall that Truman told MacArthur he was done, and Lincoln had to drop some generals.
Women out of Frontline units is just sound science. It’s called mission readiness.
He established what was called the “plucking board” or “plucking committee.” It was composed of six retired officers headed by his immediate predecessor and former boss, Gen. Malin Craig. Its task was to review the efficiency ratings of the older officers – particularly colonels in their sixties and near retirement who could not withstand the rigors of combat command – and weed out the worst to make room for younger, more fit officers.