World War II sites of the Soviet Union

1945 invasion; part of the Soviet–Japanese War of World War II

1941 siege in World War II

Soviet fortification system of the interwar period

ALSIB (or the Northern Trace) was the Soviet Union portion of the Alaska-Siberian air road receiving Lend-Lease aircraft from the Northwest Staging Route. Aircraft manufactured in the United States were flown over this route for World War II combat service on the Eastern Front. right|thumb| Kathrine the Great and other Douglas A-20 Havocs waiting at Nome to fly west over the ALSIB.