2 adjectives to describe circumnavigators

Johnson: "was much pleased with the conscientious accuracy of that celebrated circumnavigator, who set me right as to many of the exaggerated accounts given by Dr. Hawkesworth of his voyages.

This deserving officer would seem to have an hereditary taste for the duties of a voyage of surveying and discovery, his grandfather having accompanied the renowned circumnavigator, Cook, and his father, the unfortunate Bligh.

2 adjectives to describe  circumnavigators