Brigadier Musa Usman was the first governor of North-Eastern State

North-Eastern State

North-Eastern State is a former administrative division of Nigeria. It was created on 27 May 1967 from parts of the Northern Region. It's capital was the city of Maiduguri.On 3 February 1976 it was divided into three states - Bauchi, Borno, and Gongola...

, Nigeria

Nigeria

Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

 from May 1967 to July 1975 after the state had been formed from part of Northern Region

Northern Region, Nigeria

The Northern Region was one of Nigeria's federal divisions. It was created before independence in 1960, with its capital at Kaduna. In 1962 it acquired the territory of the British Northern Cameroons, who had voted to become part of Nigeria....

 during the military regime of General Yakubu Gowon

Yakubu Gowon

General Yakubu "Jack" Dan-Yumma Gowon was the head of state of Nigeria from 1966 to 1975. He took power after one military coup d'etat and was overthrown in another...

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Usman attended the Royal Military Academy Sandhurst

Royal Military Academy Sandhurst

The Royal Military Academy Sandhurst , commonly known simply as Sandhurst, is a British Army officer initial training centre located in Sandhurst, Berkshire, England...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 gaining his commission in 1962.
Major Usman was a participant in the July 1966 coup when Major General Aguiyi Ironsi was overthrown, replaced by General Yakubu Gowon.
Appointed governor of North-East State in May 1967, Usman initiated construction of the Ashaka cement factory, eventually opened on 19 July 1979 by Major-General Shehu Musa Yar'Adua

Shehu Musa Yar'Adua

Major General Shehu Musa Yar'Adua was a Nigerian businessman, soldier, and politician. He was the older brother of former Nigerian President Umaru Yar'Adua. Following his training at the Royal Military Academy Sandhurst in Sandhurst, England, Yar'Adua participated in the Nigerian Civil War...

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In 1975 he participated in friendly negotiations with Cameroon

Cameroon

Cameroon, officially the Republic of Cameroon , is a country in west Central Africa. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Cameroon's coastline lies on the...

 to settle the border between that country and Nigeria.
He was a cautious supporter of the principle that the military government should hand over to civilian rule in 1976.

After retirement, he was allocated a residence in the prestigious Jabi Street area of Kaduna

Kaduna

Kaduna is the state capital of Kaduna State in north-central Nigeria. The city, located on the Kaduna River, is a trade center and a major transportation hub for the surrounding agricultural areas with its rail and road junction. The population of Kaduna is at 760,084 as of the 2006 Nigerian census...

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Usman later became a director of the Bank of the North.