Sockel

A military structure located near Saint-Étienne-des-Oullières, France, in the Rhône department. The specific name 'Sockel' is noted, which is a German term for 'base' or 'foundation'. The provided web search results discuss contemporary French nuclear policy and do not contain information about this specific site or its historical context. Therefore, its function, construction date, and technical specifications cannot be confirmed from the available data.