What is "foreign service"

Foreign Service may refer to:

• Diplomatic service, the body of diplomats and foreign policy officers maintained by the government of a country
• United States Foreign Service, the diplomatic service of the United States government
• Indian Foreign Service, the diplomatic service of India
• Her Majesty's Diplomatic Service, the diplomatic service of the United Kingdom, and specifically the organisation which ran the Foreign Office in London before amalgamation with the Diplomatic Service in 1918