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]
(..) Hi How's it going? CC, we need control of chosen by the military command A firefight along the Nicaraguan border when we return Audio is up full The first shots were fired (..)1987 Broadcast News