in the armed forces air force, army, navy ~
an air force/army sergeant an army/navy captain
have/hold the rank of, serve as ~
She joined the navy and held the rank of captain. He served as a lieutenant in the marine corps.
be appointed, become, be made ~
He was made a colonel at the age of 40. She ought to have been made sergeant by now.
383 men under General Miles attacked the camp.
the rank of ~
She was promoted to the rank of colonel.