Commodore is a senior naval rank used in many navies which is equivalent to brigadier or brigadier general and air commodore. It is superior to a navy captain, but below a rear admiral. It is either regarded as the most junior of the flag officers rank or may not hold the jurisdiction of a flag officer at all depending on the officer's appointment. Non-English-speaking nations commonly use the rank of flotilla admiral, counter admiral, or senior captain as an equivalent, although counter admiral may also correspond to rear admiral lower half abbreviated as RDML.
A general officer is an officer of high rank in the armies, and in some nations' air and space forces, marines or naval infantry.
Military ranks are a system of hierarchical relationships within armed forces, police, intelligence agencies and other institutions organized along military lines. Responsibility for personnel, equipment and missions grow with each advancement. The military rank system defines dominance, authority and responsibility within a military hierarchy. It incorporates the principles of exercising power and authority into the military chain of command—the succession of commanders superior to subordinates through which command is exercised. The military chain of command is an important component for organized collective action.
A non-commissioned officer (NCO) is a military officer who does not hold a commission. Non-commissioned officers usually earn their position of authority by promotion through the enlisted ranks. In contrast, commissioned officers usually enter directly from a military academy, officer training corps (OTC) or reserve officer training corps (ROTC), or officer candidate school (OCS) or officer training school (OTS), after receiving a post-secondary degree.
Lieutenant Commander is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank in most armies and air forces is major, and in the Royal Air Force and other Commonwealth air forces is squadron leader. It is roughly equivalent to the Corvette Captain rank in central European countries and the Captain 3rd rank rank in eastern European/CIS countries.
Brigadier general or brigade general is a military rank used in many countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed to a field command, a brigadier general is typically in command of a brigade consisting of around 4,000 troops.
Commander is a common naval officer rank as well as a job title in many armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries, this naval rank is termed as a frigate captain.
An aide-de-camp is a personal assistant or secretary to a person of high rank, usually a senior military, police or government officer, or to a member of a royal family or a head of state.
Modern Russian military ranks trace their roots to the Table of Ranks established by Peter the Great. Most of the rank names were borrowed from existing German/Prussian, French, English, Dutch, and Polish ranks upon the formation of the Russian regular army in the late 17th century.
Commandant is a title often given to the officer in charge of a military training establishment or academy. This usage is common in English-speaking nations. In some countries it may be a military or police rank. It is also often used to refer to the commander of a military prison or prison camp.
A flag officer is a commissioned officer in a nation's armed forces senior enough to be entitled to fly a flag to mark the position from which that officer exercises command.
Oberst is a senior field officer rank in several German-speaking and Scandinavian countries, equivalent to Colonel. It is currently used by both the ground and air forces of Austria, Germany, Switzerland, Denmark, and Norway. The Swedish rank överste is a direct translation, as are the Finnish rank eversti and the Icelandic rank ofursti.
Senior captain is a rank which is used in some countries' armed forces, navies, merchant marines, civil aviation and in the airline industry.
Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group captain.
Scrambled eggs or scrambled egg is a slang term for the typically leaf-shaped embellishments found on the visors of peaked caps worn by military officers and for the senior officers who wear them. The phrase is derived from the resemblance that the emblems have to scrambled eggs, particularly when the embellishments are gold in color.
In the Royal Canadian Navy, the rank of commander is a naval rank equal to a lieutenant-colonel of the army or air force. A commander is senior to a lieutenant-commander or an army or air force major, and junior to a captain or colonel.
In the Royal Canadian Navy, the rank of lieutenant-commander (LCdr) is the naval rank equal to major in the army or air force and is the first rank of senior officer. Lieutenant-commanders are senior to lieutenants (N) and to army and air force captains, and are junior to commanders and lieutenant colonels.
Commandant is a military rank used in many - typically Francophone or Hispanophone - countries, where it is usually equivalent to the rank of major.
The system of Vietnamese military ranks was originally introduced on 22 March 1946 by President Ho Chi Minh, originally based on the military ranks system of Japanese military. Reference designs to the military ranks system of the French military. In 1958, the Vietnam People's Army military ranks system was changed, and has no Marshal or General of the Army or Brigadier General. In contrast, the Colonel General, Senior Colonel or Senior Lieutenant in Vietnam at present do not exist in many countries.
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, etc. In militaries, the captain is typically at the level of an officer commanding a company or battalion of infantry, a ship, or a battery of artillery, or another distinct unit. It can also be a rank of command in an air force. The term also may be used as an informal or honorary title for persons in similar commanding roles.
