This collection is a record of the U.S. Operations Mission's experiences in Iran. In it are outlined the programs that were initiated, the problems encountered, and the results of the 11-year effort. The program of technical cooperation in Iran was frequently cited as an example of the ideal Point Four program. The overthrow of the established government led naturally to questions concerning the "failure" of American technical assistance in that country. Three kinds of aid were provided: United States technicians advised or worked with the Iranian Government; supplies and equipment were provided for demonstration purposes; and Iranian personnel were sent to the United States or third countries for observation or training programs. The bulk of assistance was directed towards improving agricultural methods, but much also was achieved in such areas as preventive medicine, education, and administrative improvement.