This article  http://www.lemarssentinel.com/story/1154798.html  tells of the good works,

Operation Toasty Toes in Iowa, Nebraska, South Dakota, North Dakota, Kansas, Illinois, and a portion of Minnesota knit and crochet numerous items for the troops in Afghanistan and Iraq:http://www.operationtoastytoes.org/Here is the link to their Toasty Toes approved pattern list:http://www.operationtoastytoes.org/patterns.html