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Seaman is amilitary rank used in manynavies around the world.[1] It is considered a juniorenlisted rank and, depending on the navy, it may be a single rank on its own or a name shared by several similarly junior ranks.
In theCommonwealth, it is the lowest rank in the navy, except in Canada where theRoyal Canadian Navy now uses the gender-neutral title sailor in English and matelot in French. In theUnited States, it refers to the three lowest ranks of theU.S. Navy andU.S. Coast Guard. The equivalent of the seaman is thematelot[2] in French-speaking countries, andMatrose in German-speaking countries.
TheRoyal Australian Navy features one seaman rank, which is split into two distinct classes. Seaman and seaman* (pronounced "seaman star"), to differentiate between those who have completed their employment training and those who are in training. There is no insignia on a seaman rank slide.
There are 4 grades of sailor (previously the term "seaman", until it was replaced with "sailor" in August 2020[3][4])/matelot in theRoyal Canadian Navy:
The rank of master sailor is unique because it was created only for the Canadian Navy. It does not follow the British tradition of other Canadian ranks. It corresponds to the rank ofmaster corporal/caporal-chef.
Matelot 2e classe (seaman 2nd class), or apprentice seaman, andmatelot breveté (able seaman) are designations of theFrench Navy.Matelots are colloquially known as "mousses".

Madrus is the lowest rank in theEstonian Navy. It is equivalent toOR-1 inNATO

The German rank of "seaman" (German:Matrose) is the lowest enlisted rank of theGerman Navy.[5] It is equivalent to OR1 inNATO and is a grade A3 in the pay rules of theFederal Ministry of Defence.

There is one grade of seaman in theHellenic Navy.
In theIndonesian Navy, this rank is referred to asKelasi (lit. 'sailor'). There are three levels of this rank in the Indonesian Navy which are: Seaman Second Class (Kelasi Dua), Seaman First Class (Kelasi Satu), and Chief Seaman (Kelasi Kepala), equivalent to seaman recruit, seaman apprentice, and seaman in the rating system of the US Navy.
TheIrish Naval Service rank of "seaman" (Irish:mairnéalach) is the second-lowest enlisted rank, above "recruit."[6][7]
TheItalian rank of "seaman" (Italian:comune di seconda classe) is the lowest enlisted rank of theItalian Navy equivalent inNATO to OR1.
SeeMilitary ranks and insignia of the Japan Self-Defense Forces

Much of the Russian military vocabulary was imported, along with military advisers, from theDutch Republic in the 16th and 17th centuries. The Russian word for "seaman" or "sailor" (Russian:матрос;matros) was borrowed from the Dutch "matroos". In Imperial Russia the most junior naval rank was "seaman 2nd class" (матрос 2-й статьи;matros vtoroi stati). Estonia (Estonian:mаdrus) and Latvia (Latvian:mаtrozis) use closely related loanwords.
The1917 Revolution led to the term "Red Fleet man" (краснофлотец;krasnoflotets) until 1943, when the Soviet Navy reintroduced the term "seaman" (матрос;matros), along with badges of rank. The Russian Federation inherited the term in 1991, as did several other former Soviet republics, including Ukraine, Azerbaijan and Belarus, with Bulgaria using the same word and the same Cyrillic orthography.
In theRoyal Navy the rate is split into two divisions: AB1 and AB2. The AB2 rating is used for those who have not yet completed their professional taskbooks. The rate ofordinary seaman has been discontinued.
| Seaman | |
|---|---|
US Navy Seaman insignia and Airman variation | |
US Navy Fireman and Constructionman variation | |
USCG Seaman, Fireman and Airman Insignia | |
| Country | |
| Service branch | |
| Abbreviation | SN |
| Rank group | Enlisted rank |
| NATOrank code | OR-3 |
| Pay grade | E-3 |
| Next higher rank | Petty officer third class |
| Next lower rank | Seaman apprentice |
| Equivalent ranks |
|
| Related articles | |
| History | Seaman first class |
Seaman (SN) is the third enlisted rank from the bottom in theU.S. Navy andU.S. Coast Guard, ranking aboveseaman apprentice and belowpetty officer third class. This naval rank was formerly called seaman first class. The rank is also used inUnited States Naval Sea Cadet Corps, a naval-themed uniformed youth program under the sponsorship of theNavy League of the United States.
The actual title and insignia for an E-3 varies based on the job rating to which the member will ultimately be assigned.
No such stripes for E-1, E-2 or E-3 are authorized to be worn on working uniforms[10], e.g.,navy work uniform, USCG operational dress uniform, coveralls, utility wear, flight suits, hospital and clinic garb, diving suits, etc. However, sailors with the pay grade of E-2 or E-3 are permitted to wear silver-anodized collar devices on their service uniforms.
Some sailors and Coast Guardsmen receive a rating following completion of a military technical training course for that particular rating known as an "A" school. Other sailors and Coast Guardsmen who have completed the requirements to be assigned a rating and have been accepted by the Navy Personnel Command/Bureau of Naval Personnel (USN) or the Coast Guard Personnel Service Center Command (USCG) as holding that rating (a process called "striking") are called "designated strikers"[11], and are referred to by their full rate and rating in formal communications (i.e., machinist's mate fireman (MMFN), as opposed to simply fireman (FN)), though the rating is often left off in informal communications. Those who have not officially been assigned to a rating are officially referred to as "undesignated" or "non-rates." Once selected for a particular rating of their choice they become eligible for advancement in that community.

The rank is used by theNational Bolivarian Armed Forces of Venezuela.