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A 57mm caliber rifle cartridge is shown at the U.S. Army Letterkenny Munitions Center in Chambersburg

A 57mm caliber rifle cartridge is shown at the U.S. Army Letterkenny Munitions Center in Chambersburg, Pennsylvania November 19, 2012. Photo taken November 19, 2012. To match Special Report USA-PENTAGON/WASTE REUTERS/Gary Cameron (UNITED STATES - Tags: MILITARY POLITICS BUSINESS)

Pentagon waste: How our tax money is spent

Yahoo News

Reuters has found that the Pentagon is largely incapable of keeping track of its vast stores of weapons, ammunition and other supplies; thus it continues to spend money on new supplies it doesn't need and on storing others long out of date. It has amassed a backlog of more than half a trillion dollars in unaudited contracts with outside vendors; how much of that money paid for actual goods and services delivered isn't known. And it repeatedly falls prey to fraud and theft that can go undiscovered for years, often eventually detected by external law enforcement agencies. (REUTERS)