Nuclear weapons crew had Just one wrench for 450 intercontinental ballistic missiles

A Pentagon study of the US nuclear weapons infrastructure revealed "systemic problems across the nuclear enterprise," reports the New York Times.

One problem seems almost comical:

[C]rews that maintain the nation's 450 intercontinental ballistic missiles had only a single wrench that could attach the nuclear warheads.

"They started FedExing the one tool" to three bases spread across the country, one official familiar with the contents of the reports said Thursday. No one had checked in years "to see if new tools were being made," the official said.