very difficult to withstand and soldiers who finish this course are acknowledged as Caatinga Warriors of the Brazilian Army, as described by the Brazilian Army in its website (in Portuguese). Amazon Military Command Boat Center The Center for Ships of the Military Command of the Amazon is a unique unit within the Brazilian Army, but that very well represents the peculiarities existing in the military organization of the Military Command of the Amazon. Coming from the 1st Special Transport Company, created on October 1, 1969, the Vessel Center is responsible for tactical and logistical river transport within the scope of the 12th Military Region, a mission that has a constant in overcoming them more varied challenges. In addition to being operational. The inexistence of cartographic references, lack of signaling of critical points, the regime of the rivers, the isolation, the difficulties in communications, the differentiated maintenance of the means used and the primordial need to have specialized and qualified personnel to safely guide the employed boats, these are just a few examples of the obstacles faced in this peculiar type of transport. In order to meet not only the needs, but also those of the other military organization that have vessels, the Command Boat Center minister under the supervision of the DEE, the River Navigation Course, which lasts 16 weeks, is intended for the training of future vessel commanders. The Amazon Military Command Vessel Center consists of the Command, 3 Company and 1 Teaching Division. Presidential Guard The Presidential Guard Battalion is a unit of the Brazilian Army and honor guard to the President of Brazil. Two other units, the 1st Guards Cavalry Regiment and the Cayenne Battery, are also part of the presidential honor guard unit, and they all report to Army HQ. The PGB had its origins in the Emperor's Battalion, organized in 1823 during the peace campaigns that followed the Declaration of Independence as the guards unit for the Imperial Family of Brazil, and as such wears its 19th-century uniforms. Disbanded in 1827, it was reformed in 1933. The 1st Guards Cavalry Regiment, also known as the "Dragões da Independência" (Independence Dragoons), is the squadron-sized horse guards regiment of the Army. The name was given in 1927 and refers to the fact that a detachment of dragoons escorted the Prince Royal of Portugal, Pedro VI, at the time when he declared Brazilian independence from Portugal, on September