Rainier Mesa is one of four major nuclear test regions within the Nevada National Security Site (NNSS). [1] It occupies approximately 40 square miles (100 km2) along the northern edge of the NNSS and corresponds to Area 12. [1] [2]
The Rainier Mesa area consists of both Rainier Mesa proper and the contiguous Aqueduct Mesa. [3]
At 7,680 feet (2,340 m), the top of Rainier Mesa is the highest elevation within the NNSS. [2]
Area 12 held 61 nuclear tests between 1957 and 1992, one of which involved two detonations. [1] All tests were conducted below Rainier and Aqueduct mesas. [3]
Area 12 was the primary location for tunnel tests and used almost exclusively for that purpose. [nb 1] The tunnel complexes mined into Rainier and Aqueduct Mesa include the B-, C-, D-, E-, F-, G-, I-, J-, K-, N-, P-, and T-tunnel complexes, and Q- and R- shafts. [2]
There has been some concern that Rainier Mesa is exhibiting signs of tired mountain syndrome, due to the number of nuclear detonations that have occurred at the site. [4]
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. [2] The Office of Secure Transportation uses it as a training facility. [2] [5]
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This article incorporates public domain material from websites or documents of the United States Department of Energy.