 He also attended the Urban Policy Development Workshop at the University of California, Los Angeles; the Defense Planning and Resource Management course at the National Defense University, Washington DC; and the Counter-Terrorism Educators’ Workshop at the Joint Special Operations, University, Florida, USA.Granger was Commander of the Guyana Defence Force (GDF) and National Security Adviser to President Hoyte.He received his military training at the Mons Officer Cadet School, and the School of Infantry in the United Kingdom; the Jungle Warfare Instruction Centre in Brazil, and the Army Command and Staff College in Nigeria.