Argentine Army officer rank insignia Argentine Army officer rank insignia Argentine Army officers wear their rank insignia in shoulderboards. Generals and Senior Colonels may be distinguished for the red trim of their shoulderboards and around the suns denoting their rank; they also wear golden wreath leaves in their coat lapels. The suns for officers below the rank of Senior Colonel are metallic; Senior Colonels and Generals have gold-braid suns. The highest rank an Army officer may reach is "Teniente General" (Lieutenant General(Argentine Army)). This rank is held only by the Chief of the General Staff of the Army. The only exception is the Chief of
Uniform of the Union Army as follows: Contemporary photographs and a Winslow Homer painting, "Playing Old Soldier", show staff officers occasionally added their departmental initials within the shoulder straps between the rank insignia. "M.S." for "Medical Staff" appears to have been the most common. With the exception of slight changes to the representing insignia for the more junior commissioned grades as well as additional color combinations for new career fields, the shoulder strap insignia and color scheme survives largely unchanged in the modern era on the Army Service Uniform. Individual officers would sometimes add gold braid Austrian knots on their sleeves but this practice was