In the United States, storage and incineration of mustard agent and other poison gases was carried out by the U.S. Army Chemical Materials Agency. Disposal projects at the two remaining American chemical weapons sites, will be carried out at their sites near Richmond, Kentucky, and Pueblo, Colorado. Although not yet Declassified, toxicology specialists who dealt with the accidental puncturing of World War I gas stockpiles add that Air Force bases in Colorado have been made available to assist veterans of the 2003 American war with Iraq in which many Marines were exposed to gas as caches of up to . The United Nations definition of a weapon of mass destruction for mustard gas is , typically the Marines and other coalition allies discovered caches of located across a road from caches as multiple memoirs attest. These were discovered by the assistance of host country allies, or through leaks affecting personnel in an area with a weapon and gas cache called an ASP.