Osean Bureau of Investigation

Although technically not in the Osean Defense Forces, the Osean Bureau of Investigation is still a notable agency that works closely with the Defense forces. The OBI is in charge of all internal spying and counter terrorism, along with being a police agency.

In 2003, the OBI tracked down Belkan Ace Albert Klos, revealing that he had memory loss and lived in Cinigrad, Yuktobania.

Source
Albert Klos' Assault bio.