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:
SovietBlockade. Schematics of the Soviet military blockade and invasion of Estonia and Latvia in Russian State Naval Archives RSNA published by Pavel Petrov in etis ee aspx VID PersonVID lang et FromUrl isikuPublikatsioonid aspx Punalipuline Balti Laevastik ja Eesti ISBN translated from Russian The Soviet Baltic Fleet PDRUexempt