256684 12: Workers handle special containers filled with M-55 rockets armed with sarin gas, a nerve agent, at an incinerator June 12, 1995 at the Tooele Army Depot, in Tooele, Utah as part of a government project to destroy the nation's toxic arsenal. The Tooele site, 25 miles from Salt Lake City, houses approximately 40% of the U.S.'s chemical weapons, stored in 208 warehouses on the premises. (Photo by Remi Benali/Getty Images)