South China Sea raid have been the most important result of the raid, as these losses contributed to closing a supply route which was vital to the Japanese war effort. Subsequent attacks by Allied aircraft and warships forced the Japanese to cease sending ships into the South China Sea after March 1945. During 1941 and the first months of 1942, Japan conquered or established de facto rule over almost the entire South China Sea region. Control of the sea was vital to the Japanese economy, as it was the conduit through which essential supplies of oil and other natural resources passed from occupied Malaya,
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,