A realistic and detailed portrait of a Colonel of mixed race from the Brazilian

A realistic and detailed portrait of a Colonel of mixed race from the Brazilian army, approximately 40 years old., with black and gray hair on the sides, and a thin scar on his face like a mark of bravery, he has a mustache. He is wearing a high-ranking olive green uniform of the Brazilian Army officer, adorned with medals and decorations. The background features an office of the Brazilian Army, with books and Brazilian flags, integralists and fascist, He is a realistic coat of arms, which contributes to the atmosphere of authority and respect. The veteran is sitting in a comfortable armchair, exuding wisdom and strength, and looking like a respected and esteemed leader