She has a reputation that 'commands' attention/respect. [=people give her respect/attention because of her reputation]
In the United States, the President as the commander in chief is at the head of the military 'chain of command'.
She seems to be 'in (full) command of' the situation. [=she seems to have complete control of the situation]
(..) the Supreme HQ according to the exceptional disposal no., degrades him by condemning to death by hanging. This adjudgement was released today, th of October . Signed by General Karg. At your command, sir. Ok, ok. Take the coat off. Come on. Go ahead! Take his mess jacket off! (..)1965 Forest of the Hanged
(..) How can the convinct climb on it? Ah! Here comes the convoy. Get out! Get out of the hole! Lieutenant Apostol Bologa from the th Field Artillery. At your command, sir! Incidentally, i came earlier and saw that the stool was missing. Missing? Corporal, where is the executioner? (..)1965 Forest of the Hanged