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 entire garrison, and no one saw anything. He was searching the bodies, here, in the barracks. Finally. Are you in command? What are you doing in my city, spell chucker? Let me complete my examination of the body across the hall. Within that body is the (..)2016 Warcraft