Internal Affairs is a branch of Starfleet Intelligence that investigates possible intelligence leaks from within Starfleet. Tomas Roeder was a member of Internal Affairs for some time. (DS9 novel: Hollow Men)

In 2374, Luther Sloan cast himself as the Deputy Director of Internal Affairs in a Section 31 holoprogram designed to test Julian Bashir's suitability to become a 31 member. (DS9 episode: "Inquisition")

Following the destruction of the USS Valiant, Internal Affairs launched an investigation into the actions of the Red Squad cadets. Internal Affairs criticized the Cadets' decisions, although the public perception of them as heroes of the Dominion War made them overlook the actions of Red Squad. (DS9 short story: "Dorian's Diary")

Divisions and agencies of Starfleet
	Academy • Administration • Advanced Starship Design Bureau • Advanced Technologies • Appeals Board • Bureau of Information • Bureau of Standards • Command • Communications • Control • Corps of Engineers • Criminal Investigative Service • Cultural Affairs • Dental • Exploratory Division • Headquarters • Intelligence • Inspector General • Internal Affairs • Judge Advocate General • Marine Corps • Materiel Supply Command • Medical • Mission Operations • Operations • OSHC • Orbital Operations • Research and Development • Sector Guard • Security • Special Security Division • Science • Shipyards Operations • Stellar Imaging • Strategic Command • Tactical • Technology Assessment Directorate • Training Command

ConnectionsEdit

• Department of Internal Affairs article at Memory Alpha, the wiki for canon Star Trek.