Military Leaders Speak At The Association Of The United States Army Annual Meeting

WASHINGTON, DC - OCTOBER 15: Secretary of Defense Chuck Hagel delivers the keynote address during the Association of the United States Army annual meeting and exposition at the Washington Convention Center October 15, 2014 in Washington, DC. The AUSA is a private, non-profit advocacy organization for the United States Army. According to a New York Times article published in the paper October 15, 'From 2004 to 2011, American and Iraqi troops repeatedly encountered, and at times were wounded by, chemical weapons that were hidden or abandoned years earlier.' (Photo by Chip Somodevilla/Getty Images)