Here a Joint Special Operations University publication on Brazilian SOF, some of you may be interested in reading. It provides a history of their formation, evolution, and current organization, training, tasks, and equipment.
Knowing Your Partner: The Evolution of Brazilian Special Operations Forces - https://jsou.socom.mil/JSOU Publications/12-7 Brazilian SOF.pdf
Knowing Your Partner: The Evolution of Brazilian Special Operations Forces - https://jsou.socom.mil/JSOU Publications/12-7 Brazilian SOF.pdf