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.
Commonly associated with:
ORD, ROD, ORNS