By mid-December, 17 cadets who had applied for the programme underwent a selection process at the Sultan Omar Ali Saifuddien College gymnasium in Tasek Lama, where they were interviewed by a panel of four officers from the Malayan armed forces.By 4 November 1961, as part of the Malayan armed forces, the cadets were temporarily assigned to a battalion in Mentakab, Pahang, and Pengkalan Chepa, Kelantan, where they gained practical experience and further honed their skills.[4] On 8 December 1962, Awangku Ibnu Basit was among the three musketeers to be commissioned as a second lieutenant by Sultan Omar Ali Saifuddien III, in a ceremony presided over by the Yang di-Pertuan Agong of Malaya, Putra of Perlis.During his time at the FMC, Awangku Ibnu Basit underwent training in infantry tactics, jungle warfare, public order management, and ceremonial duties, all of which equipped him for a future leadership role in the armed forces.[13][14] On 8 June 2000, Achmad Sutjipto [id], Chief of Staff of the Indonesian Navy, paid a courtesy call to Pengiran Ibnu Basit as part of his two-day official visit to Brunei following his appointment as commander the previous year.[16] Additionally, on 14 September, Pengiran Ibnu Basit attended a briefing at the Bolkiah Garrison by the multinational company Thomson-CSF, which presented management-level employment opportunities to senior government officials.[21] On 22 October, as part of a one-day visit to enhance defence relations with Australia, Chief of Air Force Angus Houston and his delegation followed suit with a courtesy call to Pengiran Ibnu Basit.[24] On 12 March, Pengiran Ibnu Basit received a courtesy call from Jean-Paul Panié, director general for international relations, who was in Brunei leading the French delegation for the 4th Brunei–France Joint Defence Working Committee Meeting.[26] On 16 March 2004, Pengiran Ibnu Basit hosted Chappy Hakim, chief of staff of the Indonesian Air Force, for a courtesy visit during his two-day trip aimed at enhancing military cooperation between the two nations.