 Promoted to Brigadier, Archibong was the Director of the Department of Joint Studies at the Armed Forces Command and Staff College, Jaji from 16 January 1988 to 1 January 1990.He was principal staff officer to the Chief of General Staff when he died on 11 March 1990 in a car accident on the Lagos-Ibadan Expressway.There were no witnesses and no other injuries, leading to rumors that his death was not accidental.