Japan during World War I Japan during World War I Japan participated in World War I from 1914 to 1918 in an alliance with Entente Powers and played an important role in securing the sea lanes in the West Pacific and Indian Oceans against the Imperial German Navy as the member of the Allies. Politically, the Japanese Empire seized the opportunity to expand its sphere of influence in China, and to gain recognition as a great power in postwar geopolitics. Japan's military, taking advantage of the great distances and Imperial Germany's preoccupation with the war in Europe, seized German possessions in the Pacific and East
Military equipment of Sweden during World War II the Royal Navy lived through an enormous enhancement, ending up as the second-strongest naval power of the Baltic Sea after the Soviet Union. Number of destroyers pre-war: 13 Number of destroyers in 1939: 14 Number of destroyers in 1940: 19 Number of destroyers in 1941: 20 Number of destroyers in 1942: 23 Number of destroyers in 1943: 27 Number of destroyers in 1944: 28 Number of destroyers in 1945: 28 Sweden's air force at the beginning of World War II was relatively small and lacked modern radar systems, engines, or weaponry. This changed during the build-up in the 1940s, though,