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Founded in the early 1970s, we are a Jersey Registered Charity which is entirely run by volunteers. We are the real deal; there are no comparable organisations focussed on the Occupation in Jersey.

CIOS Jersey members are entitled to free entry at any of the fortifications we manage, and may participate in any of our members-only events and tours. Members also receive an annual Occupation Review, a Journal of the Channel Islands Occupation Society and published alternately by the Jersey and Guernsey Branches.

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The Jersey Channel Islands Occupation Society's collection of Occupation ephemera, photographs, etc. was deposited at the Jersey Archive in September 2001. This has ensured the long-term preservation and security of the collection whilst being stored in the correct environmental conditions.

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The best-preserved collection of German Second World War defence works in Western Europe

The Society manage a number of Atlantic Wall fortifications which are open to the public for tours. Most are open on weekends in summer months, with guided tours available year-round.

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Any of the fortifications listed on our bunkers page can be visited year-round. Additionally, we have several bunkers which are not regularly opened to the public that we can take you to.

These include the distinctive Marine Peilstände und Meßstellen (MP 3) Naval artillery direction and range-finding tower at Les Landes, St Ouen; the Type 609 Infantry Regimental Commander's bunker at Le Coin Varin, St Peter; plus the right-handed Jäger and 631 type casemate bunkers at Resistance Nest La Carriere, just south of Le Braye at St Ouen's Bay.

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