The combination of both qualities is rare, and should be cherished when attained. The system you describe, the military system of merit-based promotion, is probably the exact opposite of the Spoils System where its who you knw, not what you know. I realize that nothing involving man is perfect, but the military meritocracy may come as close as possible to the ideal. Yes, human nature and politics enter into it all too often, but still it's the best that man can do, I think. You nailed it with you analysis of leadership.
Loyalty is a main component, both up and down the chain of command.
Thanks again for your input and your kind words. Houston was all but ostracized. He supported Sam in his desire not to make any defense. I realize that this was most likely due to his own marital problems, but it still was commendable. Jackson's Loyalty Jackson certainly valued loyalty almost above all other virtues.