Table:
text: United States Ambassador to Trinidad and Tobago
List of ambassadors
List of ambassadors
Name_ Background Title Appointment Presentation_of_Credentials
William H. Christensen Non-career appointee Chargé d`Affaires ad interim August 31, 1962 August 31, 1962
Robert G. Miner Foreign Service officer Ambassador Extraordinary and Plenipotentiary October 23, 1962 December 1, 1962
William A. Costello Non-career appointee Ambassador Extraordinary and Plenipotentiary September 13, 1967 October 26, 1967
J. Fife Symington, Jr. Non-career appointee Ambassador Extraordinary and Plenipotentiary July 8, 1969 September 11, 1969
Anthony D. Marshall Non-career appointee Ambassador Extraordinary and Plenipotentiary February 15, 1972 February 22, 1972
Lloyd I. Miller Non-career appointee Ambassador Extraordinary and Plenipotentiary December 19, 1973 February 8, 1974

Question: When did Robert G. Miner present his credentials as United States Ambassador to Trinidad and Tobago?

Question: When was William A. Costello appointed United States Ambassador to Trinidad and Tobago?

Question: What title did Anthony D. Marshall hold among the United States Ambassadors in Trinidad and Tobago?