The Soviets occupied the Porkkala Naval Base in Finland starting in WWII until 1956, when they withdrew. Why? - Quora
Exploring Soviet Bunkers While Hiking At The Former Northern Border (Exploring Porkkala Ep. 2) - YouTube
Porkkala Parenthesis (Soviet naval base in Finland in 1944-1956) - Encyclopaedia Fennica
FINNISH ARMY 1918 - 1945: SUPER-HEAVY COASTAL GUNS
Porkkala Naval Base - Wikipedia
Porkkala Parenthesis (Soviet naval base in Finland in 1944-1956) - Encyclopaedia Fennica
Hanko 1940-41 and Porkkala 1944-56
Porkkala Peninsula
Finland | Coldwarsites
100,000 B
Porkkala Naval Base - Wikipedia
History - Porkkalan Parenteesi
Porkkala Parenthesis (Soviet naval base in Finland in 1944-1956) - Encyclopaedia Fennica
Finland's Search for Security through Defence, 1944–89 | SpringerLink
Porkkala Naval Base - Wikipedia
Porkkala Parenthesis (Soviet naval base in Finland in 1944-1956) - Encyclopaedia Fennica
Finland | Coldwarsites
Porkkala Was a Soviet Naval Base Just 30 Kilometres West of the Finnish Capital | Paradox Interactive Forums
The Porkkala Parenthesis : Discovering traces of the Cold War in Finland
Porkkala Naval Base - Wikiwand
SOVIET RETURNS BASE TO FINLAND; Occupation of Porkkala Area as Naval Station Ends--7 Helsinki Ministers Quit Finnish Soldiers Enter Area - The New York Times
Hanko Naval Base - Wikipedia
Hanko 1940-41 and Porkkala 1944-56
History - Porkkalan Parenteesi
