The Latin American F-5's / The Freedom Fighter Down South (pending write up)

Next Crew Briefing: With five Latin American coutries operating the Northrope F-5 "Freedom Fighter the aircraft has made a mark within many Latin American Air Forces. Could anyone tell us who are the Five Latin American Air Forces which operates the F-5 send your answers to airforces.inc@gmail.com the first three correct entries shall win a F-5 cloth patch!