 Parsons returned to the field in 1947 as assistant to Myron Charles Taylor, the Personal Representative of the President of the United States to the Vatican, a post he held until 1948.He then spent 1948-50 as Consul in the American Embassy in New Delhi and Kathmandu.Returning to the U.S. in 1950, Parsons was posted at the National War College, and then in 1951 became Deputy Director of the State Department's Office of European Regional Affairs.