To accomplish these responsibilities, the corps is trained and equipped to take on any type of operations from sea, air and land.

[3] The Naval Infantry are responsible for port security, protection of the ten-kilometer coastal fringe, and patrolling major waterways.

Between 1821 & 1822, independent Mexico created the Secretariat of the Admiralty headed by Don Agustín de Iturbide, who assigned the first units of the Mexican Army, which consisted of four battalions, two of them classified as "Marina" stationed in San Blas and Veracruz.

[7] One of its big seizures was in late October 2007, when Navy personnel in a joint operation with other agencies seized 23 tons of cocaine in the port city of Manzanillo, Colima.

[8][9] Due to its actions, the Navy and in kind the Naval Infantry Force has risen in stature in the United States.

The vessel was found to be loaded with 5.8 tons of cocaine and was towed to Huatulco, Oaxaca, by a Navy patrol boat.

The overall head of the Naval Infantry is the president of Mexico Claudia Sheinbaum, in her role as commander-in-chief of the Mexican Armed Forces.

The Bay of Campeche, which is distinguished by its deposits of oil and marine resources and the enormous network of oil and gas pipelines between the production platforms and destinations on the coast, the Isthmus of Tehuantepec and the Gulf area by sea and land are considered as a future strategic development of the country, industrial corridor and gateway between the Pacific and Gulf of Mexico; the Grijalva Hydroelectric Complex is considered an important center of power generation in the country; and the Gulf of California has ecological importance and tourist influence, as well as activities of a drug trafficking corridor.

To meet the operational requirements of the navy, it was necessary to create the structure of a reaction force with organizational skills focusing on: flexibility, multi-tactical use of rapid response, firepower, mobility and economy of forces, in addition to the efforts of support for transport by air, sea and land, to the missions and tasks assigned by the navy to fulfill its mission.

It falls into an operational concept which states that given the need to respond as a projection of naval power, it requires that their actions be limited by an autonomous period of time.