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Ratings are general occupations that consist of specific skills and abilities. These ratings are held by enlisted personnel holding the grade of Petty Officer Third Class and above, and are obtained after a Crewman attends A School and passes the Starfleet Petty Officer's Exam. Each rating has its own specialty badge, which is worn on the sleeves of the uniform below the individual's rank insignia.

Ratings should not be confused with "rates," which describe Starfleet's enlisted pay-grades.

Enlisted personnel are referred to by their rating and rate. For example, if someone's rate is Petty Officer Second Class and his rating is Boatswain's Mate, then combining the two — Boatswain's Mate Second Class (BM2) — defines both rate and rating in formal address or epistolary salutation. The rates of Crewman and Crewman Apprentice lack ratings, and are thus personnel of these grades are addressed simply as "Crewman", while personnel holding the grade of Crewman Recruit are addressed as "recruit".

CommandEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Chief of the Boat OR Command Master Chief COB
The Chief of the Boat is the senior-most enlisted person on any Starfleet vessel, while the Command Master Chief holds the same position on any installation. Typically a Master Chief Petty Officer, this person is responsible for all enlisted personnel assigned to their post, and is a liaison between the ratings and the officers.
Rating Personnelman Personnel Clerk PN
Personnel Clerks are responsible for assisting Personnel officers with administrative duties and provide enlisted personnel with information about Starfleet jobs, opportunities for general education and training, and promotion requirements. They assist enlisted members' families with reassignments in hardship situations. Personnel Clerks keep records up to date, prepare reports, type letters and maintain files.
Rating Mass Communications Specialist Mass Communications Specialist MC
Mass Communications Specialists are public affairs and visual information experts. They present the Starfleet story through a variety of media. Mass Communications Specialists write and produce print and broadcast journalism, news, and feature stories for military and civilian news sources. They record still and video photography of Starfleet operations, exercises, and other events.
Rating Legalman Legal Clerk LN
Legal Clerks are trained legal aides who assist professionals in the field of law. They work in the Starfleet Judge Advocate General's Corps, performing administrative and clerical tasks necessary to process claims and conduct court and administrative hearings. They maintain records, documents and legal reference libraries. They perform many duties related to courts-martial and nonjudicial hearings.
Rating Pay Clerk Pay Clerk PC
Pay Clerks assist Starfleet Paymasters and Accountants in administrative and technical duties and are responsible for mediating pay disputes.
Rating Yeoman Yeoman YN (Yeoman, Command) YNC
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

Flight ControlEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Navigator Navigator's Mate NV
Navigator's Mates assist Navigation Officers with course plots, cartographical analysis, and analysis of stellar phenomena and other navigational hazards.
Rating Deckman Deckman DN
Deckmen are responsible for all non-Engineering-related flight deck operations, including the operation of fuel transfer systems, launch and recovery operations, and traffic direction in both shuttlebays and hangerbays.
Rating Yeoman Yeoman YN (Yeoman, Flight Control) YNF
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

TacticalEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Gunners Mate Gunner's Mate GM (Gunner's Mate, Phaser)
(Gunner's Mate, Point-Defense)
GMP
GMD
Gunner's Mates operate and maintain all ship-mounted phaser and disruptor equipment, as well as the Close-in Weapons System (CIWS) and all associated equipment. They repair electrical, electronic, hydraulic and mechanical systems.
Rating Torpedoman Torpedoman's Mate TM
Torpedoman's Mates operate and maintain torpedoes and torpedo fire-control systems and are responsible for shipping and storage of torpedoes.
Rating Ordnance Disposal Tech Ordnance Disposal Technician EOD
Explosive Ordnance Disposal Technicians locate, identify, render safe and dispose of all forms of ordnance, both Federation and non-Federation. EOD technicians occasionally assist civilian law enforcement agencies.
Rating Yeoman Yeoman YN (Yeoman, Tactical) YNT
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

SecurityEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Master at Arms Master-at-Arms MA
Masters-at-Arms uphold law and order aboard ships, and Starfleet facilities. The basic duty of an MA is to enforce rules and regulations, maintain good order and discipline, and protect life and property. Some other duties include conducting criminal investigations, personal protective services, and taking part in correctional and rehabilitative programs.
Instructor IN (Weapons Instructor) INW
Weapons Instructors perform duties related to small arms instruction and lethal and non-lethal weapons training for all personnel assigned to their post.
Rating Yeoman Yeoman YN (Yeoman, Security) YNS
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

OperationsEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Boatswains Mate Boatswain's Mate BM
Boatswain's Mates train and supervise personnel in all activities relating to deck operations, and frequently serve as Petty Officers-in-charge of small craft. Most Command Master Chiefs and Chiefs of the Boat were once Botswain's Mates, though there are exceptions to this rule.
Rating Operations Specialist Operations Specialist OS
Operations Specialists operate and maintain operations equipment, Identify Friend of Foe (IFF) transponder equipment, and internal and external sensory and communications gear.
Rating Sensor Tech Sensor Technician ST
Sensor Technician's operate and maintain external sensory gear, and are responsible for tracking objects and assisting in scientific operations, as well as for operating the sensor-jamming portions of Electronic Counter-Measures (ECM) systems.
Rating Signalman Signalman SM
Signalmen operate and maintain internal and external communications systems and operate the communications-jamming portions of Electronic Counter-Measures (ECM) systems.
Rating Computer Technician Computer Technician CT
Computer Technicians are responsible for operation, maintenance, and repair of all Starfleet computer systems.
Holosystems Technician HT
Holosystems technicians maintain the Holodeck systems of Starfleet starbases and ground installations.
Rating Quartermasters Mate Quartermaster's Mate QM
Quartermaster's Mates are Starfleet's supply clerks. They see that needed supplies are available including everything from clothing and machine parts to forms and food. They have duties as warehousemen, purchasing agents, stock clerks and supervisors, inventory clerks, buyers, parts clerks, and bookkeepers, and they assist logistics officers and quartermasters.
Rating Storekeeper Storekeeper SK
Storekeepers act as store managers and sales clerks.
Culinary Specialist CS
Culinary Specialists prepare menus and order the quantities and types of food items. They operate kitchen and dining facilities, manage large facilities, keep records for food supplies and financial budgets, and can even serve as flight attendants on transport craft. They can also serve as personal food service specialists, household/estate managers or chefs for admirals, the Federation President, or for a commanding officer aboard ship or at shore bases. Ashore, Culinary Specialists often manage and maintain officers' clubs.
Rating Ships Serviceman Ship's Serviceman SH
Ship's Servicemen manage barber shops, tailor shops, ships' uniform stores, laundries, dry cleaning plants and cobbler shops.
Instructor IN (Instructor, Physical) INP
Physical Trainers operate gymnasiums aboard Starfleet starships and starbases and act as personal trainers to Starfleet personnel.
Rating Librarian Librarian SM
Librarians are in charge of managing Starfleet libraries and assisting personnel in their use for both personal and professional matters.
Rating Musician Musician MU
Musicians play in bands aboard starbases and large Starfleet ground installations.
Rating Yeoman Yeoman YN (Yeoman, Operations) YNO
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

EngineeringEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Engineers Mate Engineer's Mate EN
Engineer's Mates maintain propulsion machinery, including assigned auxiliary equipment propulsion control systems, electrical and electronic circuitry up to the printed circuit module, and alarm and warning circuitry. They also maintain refrigeration, air-conditioning, distilling-plant engines and compressors and other environmental control systems.
Rating Machinists Mate Machinist's Mate MM
Machinist's Mates are responsible for the continuous operation of the many engines, compressors, gears, refrigeration, and air-conditioning equipment along with other types of machinery onboard ships and shore installations, as well as the maintenance of small craft.
Rating Damage Controlman Damage Controlman DC
Damage Controlmen perform the work necessary for damage control, ship stability, and fire-fighting. They instruct personnel in damage control and CBR defense and repair damage-control equipment and systems.
Rating Transporter Technician Transporter Technician TT
Transporter Technicians operate and maintain matter-transport systems and their associated auxiliary systems.
Rating Hull Tech Hull Maintenance Technician HM
Hull Maintenance Technicians are responsible for maintaining ships' hulls, fittings, piping systems and machinery. They install and maintain all shipboard and shore based plumbing and piping systems. They look after a vessel's safety and survival equipment and operate workbees.
Rating Builders Mate Builder's Mate BU
Builder's Mates are skilled construction personnel who build and repair all types of vessels, structures, and equipment, and work in shipboard fabrication facilities.
Rating Yeoman Yeoman YN (Yeoman, Engineering) YNE
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

SciencesEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Lab Tech Laboratory Technician LT
Laboratory Technicians assist science officers and specialists in performing experiments, maintaining laboratory and scientific computers, sensory gear, and equipment, and perform administrative duties.
Rating Yeoman Yeoman YN (Yeoman, Sciences) YNL
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

MedicalEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Corpsman Hospital Corpsman HM
Hospital Corpsmen are medical professionals who provide health care to Starfleet personnel and their families. They serve as pharmacy technicians, medical technicians, nurse's aides, battlefield medics, and more. All work falls into several categories: first aid and minor surgery, patient transportation, patient care, prescriptions and laboratory work, food service inspections, and clerical duties.
Rating Surgical Tech Surgical Technician HMS
Surgical Technicians are highly specialized Corpsmen who are trained to assist surgeons in more complex procedures than the average Corpsman is prepared for.
Rating Pathologists Assistant Pathologist's Assistant HMP
Pathologists assistants assist in autopsies and preparation for post-mortem ceremonies.
Rating Counselors Aide Counselor's Aide HMC
Counselor's Aides perform administrative duties to assist Starfleet counselors.
Rating Medical Equipments Specialist Medical Equipment Specialist HME
Medical Equipment Specialists are responsible for maintenance and repair of all medical technologies.
Rating Yeoman Yeoman YN (Yeoman, Medical) YNM
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

IntelligenceEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Rating Signalman Signalman SM (Signalman, Intelligence) (SMI)
Signalmen operate and maintain internal and external communications systems and operate the communications-jamming portions of Electronic Counter-Measures (ECM) systems.
Rating Cryptological Technician Cryptological Technician CI (Interpretive Cryptological Technician)
(Maintenance Cryptologic Technician)
(Collection Cryptologic Technicians)
(Technical Cryptologic Technicians)
CTI
CTM
CTR
CTT
Cryptologic Technicians control the flow of messages and information. Their work depends on their special branch: CTIs or Interpretive Cryptologic Technicians handle coding and decoding of Federation and non-Federation communications. CTMs or Maintenance Cryptologic Technicians maintain electronic and electromechanical equipment. CTNs or Networking Cryptologic Technicians handle computer communication. CTRs or Collection Cryptologic Technicians handle all communications intercepts. Finally, CTTs or Technical Cryptologic Technicians handle all communications by non-traditional means.
Rating Intelligence Specialist Intelligence Specialist IS
Intelligence Specialists are involved in collecting and interpreting intelligence, especially secret information about enemies or potential enemies. They analyze photographs and prepare charts, maps, and reports that describe in detail the strategic situation all over known space.
Rating Yeoman Yeoman YN (Yeoman, Intelligence) YNI
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

Starfighter OperationsEdit

Insignia General Rating Abbreviation Service Rating Abbreviation
Electronic Warfare Specialist EW
Electronic Warfare Specialists are responsible for operating ECM and ECCM equipment aboard Spaceborne Warning and Control Systems (SWACS) craft in support of starfighter operations.
Rating Aviation Ordnanceman Aviation Ordnance Mate AOM
Aviation Ordnance Mates are responsible for the maintenance and outfitting of weaponry on Starfighters, including Phasers, disruptors, missiles, and torpedoes, as well as for keeping supply records for these
Rating Aircrew Survival Equipmentman Aircrew Survival Equipmentman ASE
Aircrew Survival Equipmentmen are personnel tasked with the maintenance of all survival equipment aboard starfighters and their associated support craft.
Rating Deckman Deckman DN (Deckman, Starfighter) DNS
Deckmen are responsible for all non-Engineering-related flight deck operations, including the operation of fuel transfer systems, launch and recovery operations, and traffic direction in hangerbays.
Rating Sensor Tech Sensor Technician ST (Sensor Technican, Starfighter) STS
Sensor Technician's operate and maintain external sensory gear, and are responsible for tracking objects and assisting in scientific operations, as well as for operating the sensor-jamming portions of Electronic Counter-Measures (ECM) systems.
Rating Signalman Signalman SM (Signalman, Starfighter) SMS
Signalmen operate and maintain internal and external communications systems and operate the communications-jamming portions of Electronic Counter-Measures (ECM) systems.
Rating Aviation Boatswian Aviation Boatswain's Mate ABM
Aviation Boatswain's Mates are in charge of maintenance and operation of launch and recovery systems.
Rating Yeoman Yeoman YN (Yeoman, Starfighter) YNF
Yeomen perform secretarial and clerical work. They deal with visitors, calls and incoming communiqués. They organize files and order and distribute supplies. They write notices, directives, forms and reports.

MarinesEdit

Starfleet Marines do not use the rating system owing to the variation in their rank structure. Instead they use the Military Occupational Specialty codes, or MOS.


SourcesEdit

United States Navy Ratings at Wikipedia

NotesEdit

See: Icarus Phoenix's Design Notes

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