Entrance to tunnel near Japanese sub base on Kiska, August 1943.
Entrance to tunnel near Japanese sub base on Kiska, August 1943. Tunnels gave protection to the Japanese against bombs and provided sleeping quarters; image and caption Alaska State Library/Alaska’s Digital Archives (as with three following images). http://vilda.alaska.edu/cdm/search/collection/cdmg21/searchterm/kiska%20submarine/order/nosort