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The 15 civilian observers employed by the MFO used to wear highly visible orange coveralls while carrying out their treaty verification duties until the arrival of U.S. Foreign Service Observer Harry Holland in 2002, when he affected a change to bright orange shirt worn with khaki trousers, now used on all ground verification missions.
This includes the general oversight responsibility for the U.S. State Department, the Broadcasting Board of Governors, the U.S. Foreign Service, and public diplomacy and United States participation in the United Nations, its affiliated organizations, and other international organizations not under the jurisdiction of other subcommittees.
As a career officer in the U.S. Foreign Service, he held assignments in Kiev (1979–1980), where he helped to start the first U.S. government office in Ukraine; Bucharest (1980–1983); Nairobi (1983–1986); Moscow (1988–1990); and Sofia, Bulgaria (1991).
After continuing his studies at the Paris Institute of Political Studies, he became a U.S. Foreign Service officer, serving in the U.S. legation in Beijing from 1927 to 1928 and as vice-consul in Nanjing from 1931 to 1934.
He began his career in the U.S. Foreign Service in 1980 as Third Secretary and Vice Consul at the American Embassy in Dhaka, Bangladesh.
John Dinger and his brother Larry Miles Dinger were the first brothers to rise through the career ranks of the U.S. Foreign Service to serve as ambassadors.
Thomas R. Pickering, a graduate of the Fletcher School of Law and Diplomacy at Tufts University, held the rank of Career Ambassador, the highest rank in the U.S. Foreign Service.
He has been a Naval Officer, a career diplomat in the U.S Foreign Service (32 years), The President of The Metropolitan Museum of Art in NYC (13 years), and President of the United Nations Association of the United States of America (10 years).