[2][3] The base is divided into three tiers with an area of approximately 15 hectares: There were no aviation facilities apart from a heliport.

The base is located on the flank of the heights of the community of Taverny, with the hardened facility between 70 and 80 meters below the surface in the former quarries.

The underground climate is described as warm and dry, but the tunnels require monitoring for water penetration and dissolution of the gypsum.

Taverny provided information to the following organizations: A similar Air Force facility exists northwest of Lyon at BA942 Lyon-Mont Verdun.

[7][2][3] The French Navy's counterpart facility, controlling the ballistic missile submarine strike force (Force océanique stratégique - FOST), was located about 20 km to the south at Houilles, Yvelines.