This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Air Raid Drill in Japan during World War II. Air Raid Drill in Japan during World War II Japanese book Showa History of million people War History of Home Front published by Mainichi Newspapers Company Year author Notes This file was scanned and edited by the uploader Abasaa PDJapanoldphoto World War II home front in