FILE - This May 20, 2008, file photo shows the chemical weapons incinerator at the Annniston Army Depot at Anniston, Ala. The Army's $1 billion chemical weapons incinerator in Alabama started its final phase of work by taking apart dozens of old mortars filled with mustard agent, officials said Friday, July 3, 2009. AP Photo logo AP Photo 32 months ago

FILE - This May 20, 2008, file photo shows the chemical weapons incinerator at the Annniston Army Depot at Anniston, Ala. The Army's $1 billion chemical weapons incinerator in Alabama started its final phase of work by taking apart dozens of old mortars filled with mustard agent, officials said Friday, July 3, 2009.