Nuclear testing
Diamond Sculls, inside Rainier Mesa. Area 12 held 61 nuclear tests between 1957 and 1992, one of which involved two detonations. ==Current activities==
Current activities
The Area 12 Camp was renovated and upgraded and provides a secure base camp for military units and other government agencies for conducting counter-terrorism and other exercises in the northern region of the NNSS. It provides an urban terrain setting utilizing existing commercial, residential, and industrial buildings. The camp includes 200 dormitory rooms, a cafeteria, weapons and munitions storage, and numerous operations and support buildings. ==Notes==