President Buhari is Number 0

1.Chief of Army Staff is Lieutenant General Farouk Yahaya

2.Chief of Naval Staff is Vice Admiral Awwal Zubairu Gambo

3.General Lucky Eluonye Onyenuchea Irabor CFR psc NAM GSS ndc FCMH (born 5 October 1965) is a Nigerian army general and the current Chief of Defence Staff of Nigeria.

4.Yusuf Magaji Bichi CFR fwc (born 23 February 1956) is the Director-General of the State Security Service.

5.Abdulrasheed Bawa (born 30 April 1980) is a Nigerian detective and law enforcement agent who is currently serving as the Chairman of Economic and Financial Crimes Commission

6.NDLEA Buba Marwa

7.Nigerian Defense Academy Commandant: Major General Ibrahim Manu Yusuf

8.Inspector-General of Police, Usman Baba

9.Col. Hameed Ibrahim Ali
The Comptroller-General of Customs is Col. Hameed Ibrahim Ali

10.Commandant General of the Nigeria Security and Civil Defence Corps, Dr Ahmed Abubakar

11.Air Marshal Isiaka Oladayo Amao CFR psc DFS GSS RBS GSM QFI fndu MSc MMSc (born 14 September 1965) is a Nigerian air marshal, who is the Chief of Air Staff of the Nigerian Air Force (NAF)

Trivia

Gerhard Kahtz (born 26 November 1922) was Nigerian Air Force’s Chief of the Air Staff from 1963 to 1965.[1] Colonel Kahtz arrived Nigeria on 30 May 1963 as head of the German Air Force Assistance Group (GAFAG). He was officially designated as the Commander of the NAF, and assigned to create an Air Force for Nigeria by a 1963 agreement between Nigeria and Germany.