Studies and Observation Group

"Back in '64, the CIA gave up control of covert opertation in Southeast Asia, handed it over to the US Military. From that, MACV-SOG was born." - Frank Woods on how MACV-SOG was formed.

Studies and Observation Group (known in Call of Duty and real life as Military Assistance Command, Vietnam - Studies and Observation Group, or MACV-SOG, or SOG for short, and as just SOG in LOTM: Fire Rebellion: Season 5) is a highly classified, Multi-Service special operations unit which conducted covert unconventional warfare operations prior to and during the war in Vietnam.

Season 5
A new Studies and Observation Group is former between Street Speedsters and Season 5 to investigate the incidents on Chorus and prevent anything like them from ever happening again. They are opposed by Charon Industries.