commander

US /kəˈmæn.dɚ/
UK /kəˈmæn.dɚ/
"commander" picture
1.

a person in command of a body of troops or a military operation

:
The commander ordered his troops to advance.
She was promoted to commander of the naval fleet.
2.

a naval rank, above lieutenant commander and below captain

:
He holds the rank of Commander in the Navy.
The new ship was assigned to Commander Johnson.