Originally found on LinkedIn and posted by a historian on the anniversary. The subject is regarded as a hero for both Malaysia and Singapore. I have only read a little on the campaign and have never encountered a reference to Malays fighting, so, this was a revelation: Looking around the information is on: Adnan Saidi - Wikipedia and https://www.warhistoryonline.com/instant-articles/story-of-adnan-bin-saidi.html
From the above extract: “C” Company, 1st Battalion of the Malaya Infantry Brigade, Not quite correct. It was the 1st Battalion of the Malay Regiment. This together with the 2nd Battalion Malay Regiment and the 2nd Battalion of the Loyal Regiment formed the 1st Malaya Infantry Brigade. Tim