MR – Mindef Reserve


Origin: Acronym, Army lingo – MR is the acronym for Mindef Reserve

MR the acronym for Mindef Reserve is a reserve force where Singapore National Servicemen will be posted to after they have completed the their full ORNS (Operationally Ready National Service) cycle.

A full ORNS cycle usually comprises of seven high keys and 3 low keys call ups over a period of 10 years (plus minus).


Interviewer: “Mr. Lim, may I know as of now, are you still fulfilling your National Service obligations?

Mr. Lim: “Well, I would say no as I have already MR. Apologies, I meant to say I have completed my full ORNS cycle and is now placed in Mindef Reserve.

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