Mid-1930's on the Yangtze River Patrol:
Described here as:
This rare film features ships of the U.S. Asiatic fleet patrolling the Yangtze River. The Asiatic Fleet's gunboats were tasked with protecting American shipping (primarily oil tankers) from pirates and the Japanese. Contains amazing footage of life in China circa 1935 including the cities of Chunking, Shanghai, and the countryside. Ships featured in this film are the USS Augusta (CA-31), USS Borie (DD-215) and USS Simpson (DD-221) as well as US gunboats.