Air Force Lt. Col. Mary Carlisle, a critical care nurse, speaks with a colleague at the 2010 Military Health System Conference at the National Harbor in Prince George’s County, Md., Jan. 26, 2010. Carlisle spoke at the conference of her battle with post-traumatic stress disorder and her eventual healing. She will be featured at the Vietnam Women's memorial statue on Memorial Day, telling her story to fellow service members and civilians. (Department of Defense photo by Elaine Wilson)