Starfleet Titles

Title 	Description 	Known location(s) 	Source(s)
Academy Range Officer 	Responsible for the Academy Flight Range(s) at Starfleet Academy campuses. One of which was the Academy Flight Range near Saturn, Sol. 	Academy flight ranges 	
ACO 	Most likely an abbreviation of "Assembly and Checkout Officer." While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Acting Captain 	A title bestowed upon an officer or individual aboard a starship when the ship's regular commanding officer was unable to command for an extended period of time. The first person eligible was generally the first officer, with the line continuing down the ranks until someone was both physically and psychologically able to command. Rules and regulations for this "line" was regulated by the Chain of Command Guide 	Starships, field commission 	; 36 more episodes, and 2 movies
Acting Communications Chief 	A title bestowed upon an officer or another individual when the regular chief communications officer of the installation or starship was unable to fulfill their duties. 	Starships and Installations, field commission	
Acting Ensign 	Bestowed upon either an individual by the ship or installation's commanding officer, allowing them access to locations and systems not normally accessible to civilians. 	Starships and Installations, field commission	
Acting First Officer 	Bestowed upon an officer or another individual aboard a starship or installation when the ship/installation's regular first officer was unable to fulfill their duties or until a permanent replacement had been found. 	Starships and Installations, field commission	, 13 other episodes, 1 movie.
ADCO 	Most likely an abbreviation of "Attitude Determination and Control Officer." While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Adjutant 	A staff officer who assisted a commanding officer or flag officer in issuing orders. An adjutant served as an executive officer of sorts. 	Starships and Installations 	
Administrative Commander 	A high-ranking position at Starfleet Command, the administrative commander was a representative of the Chief of Starfleet Personnel. This commander was responsible for the custody and maintenance of a transferring Starfleet officer's service record, dissemination of Starfleet directives, and issuing instructions and appropriate forms for required Starfleet reports. For Starfleet officers transferring to interstellar staffs, joint staffs, and planetside staffs, the responsibilities of the adminstrative commander were performed by the staff administration. 	Starfleet Command 	, okudagram
AHNA 	An unknown abbreviation. While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Aide-de-camp 	An adjutant (see above) who preformed secretarial duties for a high-ranking official. 	Various 	
Ambassador-at-large 	A diplomat of the highest rank. Unlike regular ambassadors, an ambassador-at-large was permitted to remain in Starfleet and did not have to resign following accepting this title. 	Various 	
APO 	An unknown abbreviation. While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Archaeology and anthropology officer 	A scientist whose expertise was in archaeology and antrhopology. 	Starships and Installations 	;
Assistant astrophysics officer 	A scientist whose expertise was in astrophysics. Due to the name, they most likely assisted the astrophysics officer in their duties. 	Starships and Installations 	
Assistant chief engineer 	The primary assistant and backup to the chief engineer. They were also the second-in-command of the Engineering Department. If the chief engineer was unable to fulfill their duties, the assistant chief engineer would become the chief engineer. 	Starships and Installations 	;
Assistant counsel (diplomacy, vulcan) 	A high-ranking diplomatic title held by some Vulcans. 	Various 	
Assistant counsel (law) 	An individual who assists the primary counsel in a legal proceeding. 	Various 	
Assistant Director 	A leadership position that ranked below a director, and, if present, deputy directors. 	Various 	;
Attending physician 	The doctor responsible for a specific patient's care. 	Various 	;
B'KR 	An unknown abbreviation. While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Boot camp officer 	A title dating back to the MACOs and brought back with the re-organization of the Federation Marine Corps. 	Federation Marine Corp Boot Camp(s) 	
CAPCOM 	An abbreviation meaning "Capsule Communicator". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Captain of Engineering 	Captain of engineering was the title given to chief engineers who held the rank of captain. 	Starships and Installations, a-typical 	;
CATO 	An abbreviation meaning "Communications and Tracking Officer". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	Fleet Operations Center(s) 	, directories
Chancellor of Starfleet Academy 	The head of Starfleet Academy on Earth. 	Starfleet Academy, San Francisco Campus 	
Chief 	A common designation for leading officers and enlisted personnel aboard starships and installations. When used as a title referring to an officer it denoted a member of positional authority, such as a staff officer, or department head status. In reference to an enlisted person, it referred directly to rank. 	Various 	and many others.
Chief CONN Officer 	A staff position on some starships designated for the lead conn officer. If there was no designated chief conn officer several people shared the duties of this position. 	Starships, not always 	
Chief Fleet Inspector 	A title carried by Starfleet officers attached to Operational Support Services. Chief Flight Inspectors were responsible for the supervision and monitoring of comprehensive inspections, systems checks, and upgrades to starships. 	Starbases and other installations 	
Chief Geologist 	A scientist whose expertise was in geology. They were in-command of the geology sub-department. If their assignment had a chief science officer, they would report to that individual, if not, the chief geologist would report to the executive officer. 	Starships and Installations 	
Chief Medical Officer 	The senior staff-level medical practitioner with medical authority who was, by definition, "in command of medicine on [their assigned posting]." A nurse practitioner could also hold this position if no qualified doctors were available. 	Various 	;
Chief of Operations 	The head of the operations division of an installation. A chief of operations often worked out of the operations centered and managed the engineering duties. It was a senior staff position and it was appropriate to use the title in place of one's rank. 	Installations 	
Chief of Security 	The officer in charge of security aboard a starship or installation. The ship's security chief was responsible for initiating shipboard security alerts and conducting of personnel reviews. 	Various 	
Chief of Staff 	Starfleet's Chief of Staff, also known as the Commander-in-chief of Starfleet, was a position held by the senior fleet admiral, who took orders only from the President of the United Federation of Planets. The Federation President, meanwhile, was considered to be the commander-in-chief of all Federation forces. 	Starfleet Command 	;
Chief of Starfleet Intelligence 	A high-ranking position in Starfleet Command who was responsible for overseeing the entirety of Starfleet Intelligence. 	Starfleet Command/Starfleet Intelligence 	
Chief of Starfleet Operations 	A high-ranking position in Starfleet Command who was responsible for overseeing the entirety of Starfleet Operations. This individual held the ultimate authority of commissioning, decommissioning, recommissioning, and refitting vessels. 	Starfleet Command/Starfleet Operations 	Star Trek Magazine Issue 162: "Blast Off!";
Chief of Starfleet Personnel 	The Chief of Starfleet Personnel was a high-ranking position at Starfleet Command.
If the Chief of Starfleet Operations or a starbase admiral approves a request from a Starfleet officer from the Starfleet Deep Space Exploratory Corps for duty with another department, the Chief of Starfleet Personnel will liaison between the officer and the department on the administrative and personal matters. This liaison will occur in proximity to the requesting agency and the representative for the Chief will be known as the administrative commander. 	Starfleet Command 	, okudagram
Chief of Starfleet Security 	The Chief of Starfleet Security was a Starfleet flag officer who oversaw Starfleet Security. 	Starfleet Command/Starfleet Security 	
Chief science officer 	The chief science officer, often simply called the science officer, was the senior staff member aboard a starship or starbase with the broad responsibility of coordinating the sciences division of the post. 	Various 	
Chief Tactical Officer 	Chief tactical officer was a senior position for Starfleet officers on board starships and starbases. Tactical officers were in charge of tactical operations, including weapons and shields, and ship's security. 	Various 	
Commandant of Starfleet Academy 	The officer in charge of cadet's education and also oversaw the activities of the various squads. 	Starfleet Academy 	
Commanding officer 	A commanding officer, abbreviated CO, skipper, or ship's captain was a term used to describe one's hierarchical position in relation to others within the same environment, such as a mission commander or mission leader. On starships, it was general practice to address the commanding officer as "captain", regardless of their actual rank or position. 	Various 	
Convoy liaison officer 	Convoy liaison officer was the title given to a civilian liaison officer who coordinated convoy movements with Starfleet during the Dominion War. 	Various 	
Counselor 	A counselor was a position aboard Starfleet vessels and installations, usually held by a senior Starfleet officer with training in psychology and psychiatry, with the intention of helping their patients with overall mental wellness. As with the chief medical officer, the ship's counselor has the power to relieve other officers and crewmembers of duty if he or she feels that their patient is suffering from a condition that may hinder their ability to perform their duties effectively, including the ships captain. 	Various 	
Department head 	A department head was an officer who headed or represented a particular department aboard a starship that made up one of many links in the chain of command leading up to the senior staff. 	Various 	
Deputy Chief of Starfleet Intelligence 	Deputy Chief of Starfleet Intelligence was a title held by an individual who was second-in-command of Starfleet Intelligence. 	Starfleet Command/Starfleet Intelligence 	
Deputy Director 	A senior position in various agencies and departments below a Director. 	Various 	
Deputy liaison officer 	A deputy liaison officer was a Starfleet position which reported to a liaison officer. 	Various 	
Deputy mission director 	 	Various 	, okudagram
Design engineer 	A design engineer was a senior manager with extensive experience in and knowledge of starship engineering. He or she were tasked with supervising teams of engineers, were intimately familiar with the design of the ships under construction, and were responsible for implementing changes to these ships. 	Various 	
Diagnostic and repair technician 	An enlisted engineer title in Starfleet, which primarily dealt with routine station maintenance and other minor repairs when necessary. 	Various 	
Director 	Director was a term for the head of or person responsible for an organization or facility. 	Various 	
Director of Holographic Imaging and Programming	Director of Holographic Imaging and Programming was the held by Doctor Lewis Zimmerman while serving aboard Jupiter Station in the 2370s. 	 	
Division head 	A division head was an individual who oversaw a division of an organization. 	Various 	
EECOM 	An abbreviation meaning "Electrical, Environmental, and Consumables Manager". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
EGIL 	An abbreviation meaning "Electrical Generation and Integrated Lighting Systems Engineer". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
Emergency medical technician 	An emergency medical technician, or EMT, was a specially-trained individual capable of providing on-the-spot medical care. 	 	
Engineer 	Engineers were responsible for maintaining and repairing all the systems on starships, space stations, and other bases and installations. They often did most of the "grunt work" that was involved in keeping a ship or space station up and running. Engineering officers were generally assigned tasks that included maintaining and/or improving the performance of the warp drive, ship's database, computer processors and circuitry, holographic emitters, tractor beams, transporter components, observational equipment (such as sensors, probes, and satellites), weaponry systems, deflector array, hull plating, life support, shields and alternative defense systems, and many other crucial parts of a ship's anatomy. They were expected to tackle all the problems that drained the ship's resources or lowered its efficiency.	 	
EVA 	An abbreviation meaning "Extravehicular Activity Officer". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
Executive Director 	An executive director was a type of director. 	 	
Executive officer 	Aboard a starship the first officer or executive officer (or XO) was the second-in-command, just below the captain. 	 	
Flag officer 	A flag officer was both a historic naval and military rank and a more modern Starfleet title. It generally referred to all officers of commodore/rear admiral rank or higher, collectively known as the admiralty. Those that were found within the highest echelons were generally regarded as military leaders. 	 	
Fleet liaison officer 	A fleet liaison officer was usually a foreign spokesperson who represented the interests of his or her home government's fleet. 	 	
Flight control officer 	The flight control officer, also known as conn officer, or simply conn or helm, was the crewmember on a Federation starship assigned the duty of piloting the vessel. 	 	
Flight officer 	 	 	
Geologist 	A geologist or exogeologist was an individual who conducted research and study in the field of planetary geology. 	 	
Head nurse 	A head nurse or top nurse was a supervisory medical position held aboard Federation starships. 	 	
Head of Starfleet Medical 	The Head of Starfleet Medical was a flag officer who oversaw the Medical branch of Starfleet. 	 	
Impulse propulsion officer 	Impulse propulsion officer was a title for a Starfleet engineering officer. 	 	
Inspector General 	The inspector general was an investigator charged with examining the actions of a government agency or organization, such as Starfleet or the Federation. Their job was to look for the possibility of misconduct, fraud, or criminal activity by individuals in public service. 	 	
Intelligence officer 	An intelligence officer was a title given to an officer aboard a starship or space station who was responsible for intelligence matters. The officer typically kept in contact with a central organization, such as Starfleet Intelligence, for the latest information. 	 	
Investigator 	Investigators were charged with the duty of investigating various crimes or incidents, specifically of crimes committed inside of Starfleet installations and starships. 	 	
Judge Advocate General 	The Judge Advocate General (often shortened to JAG) was the head of Judge Advocate General's Office who advised Starfleet Command on and administered courts martial, as well as overseeing other Starfleet legal matters and personnel. Legal counsel within Starfleet reported to the Judge Advocate General. 	 	
Level 2 specialist 	A level 2 specialist was a position available in Starfleet. 	 	
Liaison officer 	A liaison officer was a spokesperson who represented the interests of his or her government or other affiliation. They might operate on liaison protocol. 	 	
Maintenance Engineer 	Maintenance Engineer was an enlisted title in Starfleet held by maintenance engineers. 	 	
Maintenance technician 	Maintenance technician was a position on starbases. 	 	
Mess officer 	The mess officer was a position on board starships, responsible for activities in the mess hall. 	 	
Munitions expert 	A munitions expert was someone who was well-versed on military weaponry and ammunition. 	 	
Nurse 	A nurse was an independent health care practitioner who, along with a doctor, was responsible for an individual's health and well-being. 	 	
Nurse practitioner 	A nurse practitioner was similar to a nurse, but was able to diagnose and treat medical conditions, prescribe medications, and often work independently. 	 	
ODIN 	An abbreviation meaning "Onboard Data Interfaces and Networks". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
OP 	An unknown abbreviation. While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
Operations officer 	The operations officer, sometimes shortened to ops officer, also known as the operations management officer or operations manager was a Starfleet department position within the operations division which was common in the 24th century. Operations officers manned the operations station on a bridge. 	 	;
ORC 	An unknown abbreviation. While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
Orientation liaison 	Orientation liaison was a Starfleet title for officers that provided onboarding and tours to newly transferred junior officers. 	 	
OSO 	An abbreviation meaning "Operations Support Officer". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
PAO 	An abbreviation meaning "Public Affairs Officer". While this position did exist during the United Earth's Starfleet, due to automation this title is most like redundant in the late 24th and early 25th centuries. 	 	, directories
Personnel director 	The personnel director was an administrative position aboard starship. They were responsible for overseeing typical personnel subjects like service records. 	 	
Personnel officer 	A personnel officer was an officer assigned to the operations division of Starfleet during the 23rd century. In the course of a personnel officer's duties, such an individual would be familiar with the service records of all individuals on a particular assignment. 	 	
Propulsion expert 	A propulsion expert was someone whose expertise lay in the science of propulsion. 	 	
Safety expert 	A safety expert was someone who ensured that a dangerous activity was performed safely. 	 	
Second officer 	The second officer was an officer who was third in command of a starship and who assumed command of the ship when both the captain and first officer were unavailable. It was standard procedure for a Starfleet second officer to accompany the away team. 	 	
Section chief 	A section chief was the leader of a section on Starfleet starships. 	 	
Security officer 	A security officer or security guard was an officer whose duties were to provide security or perform guard detail. The head security officer was generally known as the chief of security. 	 	
Senior supervisor 	A senior supervisor was someone who oversaw others in their department. In 2364, Captain Jean-Luc Picard ordered all of USS Enterprise-D's security department's senior supervisors to the bridge. (TNG: "The Naked Now") 	 	
Sensor analyst 	A sensor analyst was an analyst position within Starfleet's operations division that involved work with astrometrics. 	 	
Specialist 	A specialist was any highly-trained individual or expert who worked as a professional in a particular field of study. 	 	
Squadron leader 	A squadron leader, or squad leader for short, was the lead member of a flight squadron. 	 	
Staff officer 	The following positions could have been considered senior staff positions:
* Commanding officer
* First officer
* Second officer
* Third officer
* Chief communications officer
* Chief science officer
* Chief medical officer
* Chief tactical officer
* Chief helmsman (23rd century)
* Chief navigator (23rd century)
* Chief conn officer (24th-25th centuries)
* Chief engineer
* Head counselor
* Chief of security
* Chief of operations
* Strategic operations officer
* Intelligence officer 	 	
Starfleet observer 	A Starfleet observer was an individual whose role was to watch a Starfleet mission without becoming involved. 	 	
Starship design specialist 	A starship design specialist was someone whose specialty was designing starships. 	 	
Strategic operations officer 	The strategic operations officer reported directly to the commanding officer. The strategic operations officer's primary duty was to coordinate all Starfleet activity within the sector, of which their posting was a part. 	 	
Starfleet Medical Surgeon General 	The Starfleet Medical Surgeon General, often shortened to Starfleet Surgeon General or simply the Surgeon General, was an authoritative position within Starfleet Medical that existed during the 23rd and 24th centuries. The Surgeon General's office had the power to relieve starship medical officers who were judged to be incompetent. 	 	
Team leader 	A team leader was the individual in charge of a group of individuals. Sometimes, there was also an assistant team leader. 	 	
Team navigator 	Team navigator was a navigator position, held by a member of a flight squadron, whose responsibilities included filing a flight plan with the mothership or base of operations prior to flights. 	 	
Technician 	A technician was a person (often a crewman) trained in a specific process, often of a technical nature. Technicians had different rates, including technician first class. 	 	
Third officer 	A third officer was an bridge officer position aboard a starship that was fourth in line for command of the vessel after the captain, first officer, and second officer. 	 	
Trainees 	Trainee denoted an individual undergoing some form of training. 	 	
Transporter systems officer 	Transporter systems officer was a title for a Starfleet engineering officer. 	 	
Warp propulsion officer 	Warp propulsion officer was a title for a Starfleet engineering officer. 	 	
Wing commander 	Wing commander was a title held by a Starfleet officer. They were the commander of a flight wing, or four to six flight squadrons. 	 	
Yeoman 	Yeoman was a Starfleet title used during the 23rd century. They functioned as personal assistants, performing various tasks, such as carrying a Starfleet tricorder and retrieving information for a starship's captain, announcing one's arrival with a boatswain's whistle, or bringing them meals.