Tonelero Battalion

The Naval Special Operations Battalion, better known as the Tonelero Battalion, is the elite amphibious force of the Brazilian Navy. Based in Rio de Janeiro, the unit specializes in high-complexity missions, including counter-terrorism, special reconnaissance, counter-guerrilla warfare, and combat rescue. Structure and Operation: The battalion is subordinate to the Fleet Marines Force Command and consists of companies focused on different infiltration methods, such as parachuting and combat diving. The military personnel who make up the Tonelero are the so-called Amphibious Commandos (COMANF). To join the unit, the combatant undergoes rigorous physical and psychological training.