Brazil Military Kills "Red Command" Cartel Leaders, Prepares Take Over
Gateway Pundit was the first worldwide to report that the Brazilian military is moblizing under its constitutional authority to protect democracy. Sources on the ground now confirm that the Army is mobilizing and has eliminated key leaders of the Communist...
I didn't either until I saw it used by various people when discussing flights to/from "ZA" ... had no idea it was an abbreviation for South Africa. All of the people from ZA that were there used it as well.
They may have started to use it more two decades ago or so since ZA is South Africa's country code on the internet. I didn't know until 2005 myself :-) .
KSA is also used for Kingdom of Saudi Arabia.