Though the New Statesman reported that RAF Canberra PR9s DID operate from Chile during the war (and that they were spotted at Punta Arenas by Jon Snow), this may not be true. They were certainly destined to operate from Chile (which was not then a Canberra operator) but the aircraft apparently got only as far as Belize, where re-painting in Chilean markings may have begun.
There was also a proposal to fit an AAR probe (one aircraft may have trialled this, according to a then PR9 mate) for ops from somewhere else (South Africa?).
Chile got a shed-load of Hunters and three PR9s after the war, as a 'thank you'.