The vice-envoy, Kaishu KIMURA, Kyojyugata Toriatsukai (captain rank), Kaishu KATSU, and 11military personnel including Brook taijo (enJohn Mercer Brooke) boarded 'Kanrin maru,' and left for the United states, and they accomplished tasks such as practical training on ocean navigation by Japanese crewmen, and visit to the American Navy.
「咸臨丸」も副使・木村芥舟、教授方取扱（艦長格）・勝海舟、ブルック大尉（enJohnMercerBrooke）以下アメリカ海軍軍人11名などを乗せて出航し、日本人乗組員の遠洋航海実習、アメリカ海軍の実情視察という成果を上げた。