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]
(..) Your mom's gonna stay here and help. Elle, I'm gonna take care of him, okay? - Say bye-bye mommy. - Bye, mommy. OAKLAND, CALIFORNIA TACTICAL OPERATIONS COMMAND. Got him! I got him! Sit down here! Sit, sit! Did you lose consciousness? I'm okay, really. I'm fine. (..)2014 Godzilla
(..) - Up to the flight deck. I think he's coming. What are you doing? I have to see it. Two-Charlie-six, we are circling the target, go ahead and command. Standby, got a visual. Locate at . We have eyes, prepare to engage target. Guardian , we're getting movement down here. (..)2014 Godzilla