Argentine Army officer rank insignia the Joint General Staff, if he should be an Army officer. There are mentions of the rank of "" (Captain General), but it is a purely honorific rank bestowed posthumously upon José de San Martín. The rank of Senior Colonel is an honorary rank for long-serving colonels who have not been promoted to Brigade General; the rank is considered inferior to Brigade General but superior to Colonel. Senior Colonels may be further promoted to general ranks. The following table displays the rank insignia worn by officers of the Argentine Army. Argentine Army officer rank insignia Argentine Army officers wear their
United States Army officer rank insignia the gold leaf which the major had been wearing on the shoulder strap. In the same year, the bars on the shoulder straps of the captains and first lieutenants were changed from gold to silver. By 1917 and the time of World War I, the olive drab service uniform had gradually become used more frequently and the blue uniform was worn only on formal dress occasions. As a result, metal insignia was authorized for wear on the service uniform on the shoulder loop and on the collar of the shirt when worn without a jacket. Shortly after the United States