Medal of Honor | Ceylon | Meritorious Service Medal (United States) | Meritorious Service Medal | Bronze Star Medal | British Armed Forces | United States Armed Forces | United States Department of Health and Human Services | National Defense Service Medal | University of Ceylon | General Services Administration | Office of Strategic Services | Newbery Medal | Distinguished Service Medal | Air Medal | Brownlow Medal | Distinguished Service Medal (Army) | Defense Superior Service Medal | Presidential Medal of Freedom | National Medal of Science | Congressional Gold Medal | Catholic Relief Services | Caldecott Medal | Amazon Web Services | Vietnam Service Medal | Inter-Services Intelligence | Commendation Medal | Singapore Armed Forces | Returned and Services League of Australia | Radio Ceylon |
For wartime service in World War II, he had earned the Defence Medal and the War Medal 1939–1945, and for service in the Ceylon Army, he received the Ceylon Armed Services Long Service Medal, the Queen Elizabeth II Coronation Medal and the Ceylon Armed Services Inauguration Medal.