The US military once blasted airships with nukes on balloons to see if they could drop nuclear bombs on submarines and survive

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A picture from nuclear tests, codenamed Stokes, involving airships in 1957 during Operation Plumbbob.
A picture from nuclear tests, codenamed Stokes, involving airships in 1957 during Operation Plumbbob.

National Nuclear Security Administration/Nevada Site Office

US and South Korea will wargame a nuclear crisis just days after North Korea issued its latest threat

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US South Korea Kunsan F-16 elephant walk
US and South Korean air force taxi down a runway during an exercise at Kunsan Air Base in South Korea on March 2, 2012.

US Air Force/Senior Airman Brittany Bateman

An Australian mining company lost a radioactive device that emits high levels of radiation equal to receiving 10 X-rays in an hour and can cause skin burns and cancer: report

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Australia, Western Australia, Kimberley, Great Northern Highway near Fitzroy Crossing
Australia, Western Australia, Kimberley, Great Northern Highway near Fitzroy Crossing

Manfred Gottschalk/Getty Images

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