Commodore is the lowest of the flag officer

Flag Officer

A flag officer is a commissioned officer in a nation's armed forces senior enough to be entitled to fly a flag to mark where the officer exercises command. The term usually refers to the senior officers in an English-speaking nation's navy, specifically those who hold any of the admiral ranks; in...

 ranks in the Royal Canadian Navy; it is equivalent to Brigadier General in the Army

Army

An army An army An army (from Latin arma "arms, weapons" via Old French armée, "armed" (feminine), in the broadest sense, is the land-based military of a nation or state. It may also include other branches of the military such as the air force via means of aviation corps...

 and Air Force

Air force

An air force, also known in some countries as an air army, is in the broadest sense, the national military organization that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army, navy or...

. It is junior to Rear Admiral and Major General, and senior to Captain and Colonel

Colonel (Canada)

In the Canadian Forces, the rank of colonel is an Army or Air Force rank equal to a captain of the Navy. A colonel is the highest rank of senior officer...

.

A wide gold band with executive curl is displayed on each sleeve of the service dress and mess dress. Shoulder boards and rank slip-ons have a single maple leaf, above which is a crossed sabre and baton surmounted by St Edward's Crown.