 From 1960-64, he served in Cyprus, and then in Guatemala (1965–67), Guyana as COS (1967–69), and Peru as Chief of Staff (1972–75).He arrived in Athens, Greece, in July 1975, at a time when Greece had just come out of a period of dictatorship under the country's military junta.Welch stayed in the house occupied by several of his predecessors as chief of the CIA station.