In many navies in the English-speaking world, a subordinate officer is an officer who has not finished his initial training. Such officers are not commissioned, but are treated for most intents as commissioned officers. U.S. Navy supercarrier USS Nimitz on November 3, 2003. ...
In the Royal Navy, there are three ranks of subordinate officer, who hold their ranks by Admiralty Board orders: The Royal Navy of the United Kingdom is the senior service of the armed services, being the oldest of its three branches. ... The Admiralty Board is a committee of the Defence Council of the United Kingdom responsible for the administration of the Royal Navy. ...
For the fishes called midshipman, see Midshipman fish In the navies of English-speaking countries, a midshipman is a low-ranking commissioned officer, usually the lowest rank. ... Officer Cadet is a rank held by military cadets during their training to become Commissioned Officers. ...
In the Canadian Forces, subordinateofficers (French: officiers subordonnés) as a group consist of the Army and Air Force ranks of Officer Cadet (OCdt) and the Navy's Naval Cadet (NCdt); the French language equivalents are Élève-officier (élof) and Aspirant de marine (aspm), respectively.
Subordinateofficers are addressed as "Sir" or "Ma'am" by non-commissioned members, and by rank and name by superior officers.
Subordinateofficers are officers for the purposes of the Naval Discipline Act 1957 and the Queen's Regulations for the Royal Navy, and are entitled to be saluted and to be addressed as "Sir" or "Ma'am".