From 1948-1953, Kurubo attended Government College in Umuahia, then Regular Officers" Training School in Accra in 1953, then Officer Cadets Training School, Eaton Hall, Cheshire in 1954. From 1954 to 1955, he attended Royal Military Academy Sandhurst, then the Young Air Infantry Officers" School in 1956, then Senior Air Infantry Officers" School in 1961, and finally Command and Staff College, Quetta, Pakistan in 1964.
Lieutenant Colonel George T Kurubo was the third Commander of the Nigerian Air Force (NAF), the first indigenous to hold the post. Kurubo was promoted second lieutenant and then platoon commander in 1956. Between 1957 and 1965, her served in various command positions.
In 1964, he moved from Lieutenant-Colonel in the Army to the newly formed Nigerian Air Force in 1964.
In January 1966, he become the first indigenous Air Force Chief. An Easterner, he did not go with the Igbo-led secession because he was from Rivers State which was carved out of the Eastern Region at the outbreak of the Nigerian Civil War.
Serving as the Eastern commander of logistics, Kurubo defected from Biafra to the Federal Government. On 12 August 1967, he was appointed Nigeria’s Ambassador to the Soviet Union, where he stayed until 1973.
In 1970, he was promoted to Brigadier General.
From 000000001974-12-28-0000December 28, 1974 until 1975, Kurubo served as Nigeria"s ambassador to Iran, also accredited to Ankara. On 000000001975-08-19-0000August 19, 1975, Kurubo retired from the military
In 1977, he served as chairman of the Bonny Local Government Area"s Management Committee. Kurubo died in 2000.
From January–July 1966, Kurubo served as a member of the Supreme Military Council, and as a member of the Federal Executive Council. Then, from 1977 to 1978, he was a member of the Constituent Assembly of the Second Nigerian Republic.
