Tuanku Ja’afar ibni Almarhum Tuanku Abdul Rahman GCB (Jawi: توانكو جعفر ابن المرحوم توانكو عبدالرحمن; 19 July 1922 – 27 December 2008) was Yang Di-Pertuan Besar of Negeri Sembilan from 1967 until his death in 2008, and the tenth Yang di-Pertuan Agong (King of Malaysia), from 1994 to 1999.

He also emulated his father's practice of visiting the local villagers and performing Friday prayers at Masjid Seri Menanti with his subjects.

Tuanku Ja'afar was good at several sports and was made the captain of the cricket, tennis, squash, football and hockey teams.

Tuanku Ja'afar, who was supposed to complete the three-year programme, had to return to Malaya due to the start of World War II in December 1941.

He spent four years at University of Nottingham and graduated with a Bachelor of Laws in 1947 before attending Balliol College, Oxford and the London School of Economics.

This news was greeted with great joy and an official ceremony was then held at the Dataran Merdeka, Kuala Lumpur on 31 August 1957.

[citation needed] In line with the royal customs of Negeri Sembilan, before proceeding with the burial ceremony of Tuanku Munawir, a new ruler had to be selected to succeed the late Yang di-Pertuan Besar.

As such the four Undang (Ruling Chiefs of Negeri Sembilan) conferred to choose the late Tuanku Munawir's successor.

As the Yang di-Pertuan Agong, Tuanku Ja'afar played a significant role in fostering ties between Malaysia and other countries.

He also worked on Kuala Lumpur International Airport (KLIA) in Sepang, the Petronas Twin Towers, the Multimedia Super Corridor (MSC) and the new administrative capital of Putrajaya.

They had issue, 3 sons and 3 daughters: During his reign as the ruler of Negeri Sembilan, Tuanku Ja'afar focused his attention on the problems of the people and the administration of the state.

In handling the socio-economic affairs of the state, Tuanku Ja'afar directed his attention to the industry and public housing sectors so as to improve the living standard of the people.

The expansion of the industrial sector paved way for more job opportunities for his subjects, thus improving their standard of living and also eradicating poverty amongst the people of Negeri Sembilan.

This Regiment is also involved in providing electronic warfare support and securing all communication channels amongst formation quarters and tactical teams.

"The existence of the Royal Electrical and Mechanical Engineers Corps for over 50 decades would not be possible without the sacrifice and service of our previous and current soldiers.

[citation needed] The initial role of Royal Electrical and Mechanical Engineers Corps is to provide technical support such as the maintenance of many military equipment owned by the Malaysian Army.

As Yang di-Pertuan Besar of Negeri Sembilan (8 April 1967 – 27 December 2008), he was:[citation needed] He received many foreign awards during his years of royal service.