[1] The force's command mission is to ensure the readiness of subordinate means, establish rules and procedures and exercise operational control of submarines at sea and of diving activities in the Brazilian Navy, in order to contribute to the effectiveness of the employment of subordinate naval resources in the application of naval power.

The first plans to submarine forces was created by the first lieutenant Felinto Perry in his works published in periodicals at the time, were reason for reflection and wide discussion, arousing public interest and motivating the senior naval administration.

At that time, Perry highlighted the value of the submarine in the defense of the sovereignty of the state: "I hope to see the operation of this unquestionably powerful weapon in your Navy, a very important factor in defense of maritime borders.”[1] In 1904, the minister of Naval Affairs, admiral Julio César de Noronha, included three submersibles in the naval construction program.

The epilogue of the submersible acquisition campaign for the Brazilian Navy and the beginning of the history of this new category of ships came to fruition in 1911, when the minister of the Navy, vice admiral Joaquim Marques Baptista de Leão, created a naval commission in La Spezia, to supervise the construction of three Italian Foca-class submarines ordered by the government.

[5] From 2024, the Navy through the ICN, begin the construction of the first Brazilian nuclear submarine, Álvaro Alberto.