You state nothing with many words. It appears you attempt to put forward a logical fallacy, a false dilemma. The military should be focused primarily on "combat" ability either proven or determined potentially via training and review. There is no either this or that regarding traits. Why assume a combat veteran can not also administer other leadership duties required?
TRUMP was going to nominate Jack Keane for Secretary of Defense but he passed due to family issues but he recommended James Mattis to TRUMP
Your response reminds me of a canary flitting around a cage. Lots of effort with no result conducted by a birdbrain.