The U.S. Air Force mistakenly shipped fuses that are used in nuclear weapons to Taiwan

The U.S. Air Force mistakenly shipped fuses that are used in nuclear weapons to Taiwan in 2006, believing the crates contained helicopter batteries, officials at the Pentagon announced this morning.

The error -- undetected by the United States until last week, despite repeated inquiries by Taiwan -- raises questions about how carefully the Pentagon safeguards its weapons systems. It also exposes the United States to criticism from China, a staunch opponent of a militarized Taiwan.

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