欧州連合軍最高司令部
In September 1966, Pustay was appointed a White House fellow and served as executive assistant to the secretary of state, with duty at the White House and Department of State. Upon completion of the fellowship, he was assigned to Headquarters U.S. Air Force, Washington, D.C., as a long-range plans officer in the Office of the Deputy Chief of Staff, Plans and Operations. From 1965 to 1969, Pustay completed several temporary duty assignments in Southeast Asia. While there he dealt with psychological warfare and counterguerrilla operations. He joined Supreme Headquarters Allied Powers Europe, Belgium, in July 1970 and initially served as a strategic planner and nuclear planner. He established and later directed the first Supreme Headquarters Allied Powers Europe division for nuclear policy and in July 1971, Pustay became executive to the chief of staff, Supreme Headquarters Allied Powers Europe.