The Structure of the Argentine Army follows below. As of 2020 the active force of the Argentine Army includes a total of eleven brigades:
The Marine Infantry is the naval infantry branch of the Spanish Navy responsible for conducting amphibious warfare. Fully integrated into the Spanish Navy's structure, the branch's history dates back to 1537 when Charles V, Holy Roman Emperor formed the Compañías Viejas del Mar de Nápoles, making it the oldest marine unit in existence.
The Mexican Army is the combined land and air branch and is the largest part of the Mexican Armed Forces; it is also known as the National Defense Army.
The Canary Islands are an autonomous community of Spain. The headquarters of the Canary Islands military command is located in Santa Cruz de Tenerife, in the Palacio de la Capitanía General de Canarias. The following components of the Spanish Armed Forces are based in the Canary Islands:
This is the order of battle for the Battle of Guadalajara during the Spanish Civil War.
The Infantry Regiment "Inmemorial del Rey" No. 1 is the senior regiment of the Spanish Army, and is considered the oldest still active military unit in the world.
The Eastern Military Command is one of eight Military Commands of the Brazilian Army. The Eastern Military Command is responsible for the defense of the states Rio de Janeiro, Minas Gerais, and Espírito Santo. A Parachutist Brigade and two Infantry Brigades are assigned to the 1st Army Division, which is the maneuver unit of the CML. Two Military Regional Commands are subordinated to the CML for administrative purposes.
The Northeastern Military Command is one of the eight Military Commands of the Brazilian Army. The Northeastern Military Command is responsible for the defense of the states Bahia, Sergipe, Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Ceará, Piauí, and Maranhão. Three Military Regional Commands are subordinated to the CMNE for administrative purposes.
The Western Military Command is one of the eight Military Commands of the Brazilian Army. The Western Military Command is responsible for the defense of the states Mato Grosso and Mato Grosso do Sul.
The Planalto Military Command is one of the eight Military Commands of the Brazilian Army. The Planalto Military Command is responsible for the defense of the state Goiás, most of the state of Tocantins, the Federal District with the capital Brasília, and the Triângulo Mineiro region of the state of Minas Gerais.
The Southern Military Command is one of eight Military Commands of the Brazilian Army. The Southern Military Command is responsible for the defence of the states of Rio Grande do Sul, Paraná and Santa Catarina.
The structure of the Spanish Army as of April 2023 is as follows:
The 296th Infantry Regiment was an infantry regiment of the Puerto Rico Army National Guard consisting mostly of Puerto Rican enlisted soldiers and officers. Today, only its 1st Battalion remains active; being allotted to the 92nd Military Police Brigade of the Puerto Rico Army National Guard. The 296th is composed by the first battalion of infantrymen that engaged in combat as a Puerto Rico National Guard unit, as the 65th Infantry Regiment was, at the time, a regular Army unit. It is one of several National Guard units with colonial roots.
The 295th Infantry Regiment was a light infantry regiment of the Puerto Rico Army National Guard consisting mostly of Puerto Rican enlisted soldiers and officers. The regiment was the first regiment of any kind assigned to the Puerto Rico National Guard back when it was known locally as the 1st Infantry Regiment.
The Tercio of Sicily is one of the tercios that were created by a 1534 decree of Charles V, Holy Roman Emperor. Since the 18th century, the Spanish army has maintained the tradition of this tercio in its regiments.
