Earlier in 1939, Imperial Japanese army and naval units continued to attack and push forward into China and Mongolia. Here Japanese soldiers advance inland over the beach after landing at Swatow (Shantou), one of the remaining South China coast ports still under Chinese control at that time, on July 10, 1939. After a short engagement with the Chinese defenders the Japanese entered the city without encountering much further opposition.
On the Mongolian border, Japanese tanks roll across the vast plains of the Mongolian-Manchurian steppe, near the Mongolian border, on July 21, 1939. Manchukuo troops were reinforced by the Japanese when the border warfare with Soviet forces flared up suddenly in this sector.
A Japanese bomber in flight on September 14, 1940. Below, smoke rises from a cluster of bombs dropped on Chongqing, China, near a bend of the Yangtze River.
Ryozo Asano, left, spokesman for a group of diversified Japanese family enterprises called the Zaibatsu, inspects the wreckage of his steel plant in Tokyo, after the first U.S. air raid on Japan's capital, April 18, 1942. He is accompanied by an unidentified aide. Thirteen targets were struck, including an oil tank farm, a steel mill, and an aircraft carrier under construction. Some 50 Japanese lost their lives.
Japanese soldiers stand guard over American war prisoners just before the start of the "Bataan Death March" in 1942. This photograph was stolen from the Japanese during Japan's three-year occupation.
A Japanese Type 97 attack aircraft is shot down while attempting to carry out a torpedo attack on USS Yorktown, during the mid-afternoon of 4 June 1942
Japanese prisoners of war under guard on Midway, following their rescue from an open lifeboat by USS Ballard, on June 19, 1942. They were survivors of the sunken aircraft carrier Hiryu. After being held for a few days on Midway, they were sent on to Pearl Harbor on June 23, aboard USS Sirius.