The commodore had promised to send over two officers.
British Dictionary definitions for commodore
commodore
/ˈkɒməˌdɔː/
noun
1.
(Brit) a naval rank junior to rear admiral and senior to captain
2.
the senior captain of a shipping line
3.
the officer in command of a convoy of merchant ships
4.
the senior flag office of a yacht or boat club
Word Origin
C17: probably from Dutch commandeur, from French, from Old French commander to command
Word Origin and History for commodore
n.
1690s, probably via Dutch kommandeur from French commandeur, from Old French comandeor (see commander). In U.S. Navy, above a captain, below a rear-admiral.