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 very position of the sun along its ecliptic. These are just a few of the things I control in my world. - Is that clear? - Yes, Command Master Chief! Instructor Pyro. Aye-aye, Master Chief. Instructors. Boat crews, stand by your boats. Move your asses! (..)1997 G.I. Jane
(..) That is all that is to be said... about the special nature of the C.R.T. Training program. I now turn you over... to my Command Master Chief John James Urgayle. Attention! Instructors, stand easy. I never saw a wild thing sorry for itself. (..)1997 G.I. Jane