After the coup of 1975 that removed Tombalbaye, Toura returned to the diplomatic service and was made Ambassador to the United States in 1976. He served until 1979, when he resigned after the dissolution of any central authority in Chad.
Following the 1975 coup that removed Tombalbaye, Toura rejoined the diplomatic corps and became ambassador to the United States in 1976. He held this position until 1979, when he resigned due to the dissolution of any central authority in Chad.