Patrick Chukwuma "Kaduna" Nzeogwu (26 February 1937 – 29 July 1967) was a Nigerian military officer and revolutionary who played a leading role in the first military coup d'ètat of 15 January 1966, which overthrew the first Nigerian republic. Early life Background Patrick Chukwuma Nzeogwu was born in Kaduna the capital of the Northern Region to parents of the Anioma people in Okpanam Town of the Mid-Western Region (near Asaba in present-day Delta State). Nzeogwu attended Saint Joseph's Catholic Primary School in Kaduna for his elementary education and for his secondary education attended the competitive Saint John's College in Kaduna, where he became close friends with Christian Anufuro. In March 1957, Nzeogwu enlisted as an officer-cadet in the Nigeria Regiment of the West African Frontier Force and proceeded on a 6-month preliminary training in Ghana, then Gold Coast. He completed his training in Ghana by October 1957 and proceeded to the Royal Military Academy, Sandhurst where he was commissioned as an infantry officer in 1959. He later underwent a platoon officer's course in Hythe and a platoon commander's course in Warminster. Max Siollun, a military historian described Nzeogwu as a "devout catholic, a teetotaler, a non-smoker, and despite being a bachelor, did not spend much time chasing women". Military career On his return to Nigeria in May 1960, Nzeogwu was posted to the 1st Battalion in Enugu where Major Aguiyi-Ironsi was the second-in-command under a British officer. He was later posted to the 5th Battalion in Kaduna where he became friends with Olusegun Obasanjo. His Hausa colleagues in the Nigerian Army gave him the name "Kaduna" because of his affinity with the town. After serving in the Congo in 1961, Nzeogwu was assigned as a training officer at the Army Training Depot in Zaria for about 6 months before getting posted to Lagos to head up the military intelligence section at the Army Headquarters where he was the first Nigerian officer. The forerunner of the Nigerian Army Intelligence Corps (NAIC) was the Field Security Section (FSS) of the Royal Nigerian Army, which was established on 1 November 1962 with Captain PG Harrington (BR) as General Staff Officer Grade Two (GSO2 Int). The FSS was essentially a security organization whose functions included vetting of Nigerian Army (NA) personnel, document security and counter intelligence. Major Nzeogwu was the first Nigerian Officer to hold that appointment from November 1962 to 1964. As a