Complex sentence: After three years' service commanding the Asiatic Fleet, Admiral Yarnell was transferred to the Retired List; but on 1 November 1941, as war loomed he was recalled to the office of the Secretary of the Navy as Special Adviser to the Chinese Military Mission.
Split into simpler sentences: After three years' service commanding the Asiatic Fleet, Admiral Yarnell was transferred to the Retired List. On 1 November 1941, as war loomed, he was recalled to active duty and worked in the office of the Secretary of the Navy as Special Adviser to the Chinese Military Mission.