Complex sentence: From that time, she controlled seadromes at Wakanoura Wan and Nagoya, Japan, and Shanghai and Tsingtao, China, until sailing from Yokohama 1 December 1946 for San Francisco, California.
Split into simpler sentences: From that time, she controlled seadromes at Wakanoura Wan and Nagoya in Japan and at Shanghai and Tsingtao, China. She concluded her post-World War II occupation duties when she departed Yokohama, Japan, on 1 December 1946 bound for San Francisco, California.