Complex sentence: She remained in Asiatic waters for the next three years to support United States interests there, visiting various ports in China, Japan and the Philipines as well as travelling to Honolulu during an Asiatic Fleet winter cruise.
Split into simpler sentences: She remained in Asiatic waters for the next three years to support United States interests there. During that time she visited various ports in China, Japan and the Philippines and went to Honolulu during an Asiatic Fleet winter cruise.