Brazilian Army the "General de Exército" (), a "four-star" general. In times of war, or in exceptional circumstances, a fifth star may be worn by the highest-ranking officer in the army, who is then promoted to "Marechal", (). Brazilian Army officers wear rank insignia on shoulder boards and the army has ten officer ranks, also known as "grades", excluding that of an officer candidate. Brazilian Army officer ranks from second lieutenant to colonel equate directly with counterparts in the United States Army, but thereafter the systems diverge. A Brazilian "General de Brigada" () wears two stars, with duties equivalent to a U.S.
United States Army officer rank insignia stars for general officers, worn on epaulettes. From 1821 to 1832, the Army used chevrons to identify officer grades, a practice that is still observed at West Point for cadet officers. In 1832, epaulettes were specified for all officers, and colonels began wearing the familiar eagle insignia. The epaulettes worn by the infantry were silver, while all other branches had gold epaulettes. In order that the rank insignia would be clearly discernible, they were of the opposite color; that is, the infantry colonels had an eagle of gold because it was placed on a silver epaulette and all other colonels