President Bola Tinubu, Monday June 19, 2023, approved the immediate retirement of all Service Chiefs and the Inspector-General of Police, Advisers, Comptroller-General of Customs from Service as well as their replacements with immediate effect.
Here are the things to note about the newly appointed service chiefs

Maj. Gen. C.G Musa Chief of Defence Staff
Maj-Gen. Christopher Gwabin Musa was born in Sokoto State, Northwest Nigeria on December 25, 1967.
Musa attended primary and secondary education in the caliphate state although he is originally from Zangon Kataf Local Government Area of Kaduna State.
The member of 38 regular course was admitted into the Nigerian Defence Academy, Kaduna State in 1986 where he underwent intense and rigorous military training for five years during a time the Nigerian military held political power in the country.
In September 1991 he was commissioned into the Nigerian Army as a second lieutenant in the Infantry Corps, one of the most difficult sections of the army.

Maj. T. A Lagbaja Chief of Army Staff
He was 39th General Officer Commanding (GOC) 1 Division, Nigerian Army, Kaduna on Monday.
Lagbaja also served as Chief of Operation (DAOP), Army Headquarters, Abuja.

AVM H.B Abubakar Chief of Air Staff
Air Vice Marshal Hassan Bala Abubakar was born on 11 September 1970.
He hails from Shanono Local Government Area of Kano State.
He enlisted into the NAF as a member of NDA RC 39 and commissioned Pilot Offr on 19 Sep 92.
Abubakar bagged a Bachelor of Science Degree from the Nigerian Defence, Academy Kaduna.
He holds a Master’s Degree in International Affairs and Diplomacy from ABU, Zaria.
He was Admin Officer 16 Engineering Wing, 1 Engineering Group NAF Makurdi.

Rear Admiral Emmanuel Okechukwu Ogalla NN/1725 (NEW CHIEF OF NAVAL STAFF)
Rear Admiral Emmanuel Ikechukwu Ogalla was born on 20 Dec 68 in Enugu Ezike Igbo Eze north LGA Enugu State, Nigeria.
He obtained the WASC from the NMS Zaria in Jun 87 where he graduated as the best boy in Sciences.
He is a member of the 39 RC NDA, graduated with a BSc in Maths and was awarded sword of honour as the best naval cadet in his course.
He was commissioned S Lt on 16 Sep 92 and rose to the rank of R Adm wef 16 Sep 21. He completed the STC NNS QUORRA, Basic Hydrography National Hydrographic School India in May 2000, Junior and Senior Staff Courses AFCSC Jaji in Nov 01 and Jul 06 respectively. He was a participant of NDC Course 22 and was awarded fdc in Aug 14.
As part of the Course, he took part in the MSc Strategic Studies programme, University of Ibadan from 2014 to 2015.