Press release: “As of Dec. 10, the Army has safely destroyed 50 percent of the United States’ chemical-agent stockpile since beginning to comply with the Chemical Weapons Convention April 29, 1997. Officially the Convention on the Prohibition of the Development, Production, Stockpiling, and Use of Chemical Weapons and on their Destruction, the CWC is a treaty among more than 170 nations to ban the development and use of chemical weapons and to destroy existing stockpiles and production facilities in countries that have ratified it.”