One switch away from nuclear disaster

NewsNM-Swickard - the same thing happened in Albuquerque in 1957 when a hydrogen bomb fell accidentally from a military airplane Interesting story read here 

From - By: Mike Anderson, KOB Eyewitness News 4 -  A hydrogen bomb nearly detonated on the U. S. east coast, with a single switch averting a blast which would have been 260 times more powerful than the device that flattened Hiroshima, a newly published book says.
     In a recently declassified document, reported in a new book by Eric Schlosser, the supervisor of the nuclear weapons safety department at Sandia national laboratories said that one simple, vulnerable switch prevented nuclear catastrophe. The Guardian newspaper published the document on Saturday.
     Two hydrogen bombs were accidentally dropped over Goldsboro, North Carolina on Jan. 24, 1961 after a B-52 bomber broke up in flight. One of the bombs apparently acted as if it was being armed and fired  its parachute opened and trigger mechanisms engaged.
     Parker F. Jones at the Sandia National Laboratories analyzed the accident in a document headed “How I learned to mistrust the H-Bomb.” “The MK39 Mod 2 bomb did not possess adequate safety for the airborne-alert role in the B-52,” he wrote.
      When the B-52 disintegrates in the air it is likely to release the bombs in “a near normal fashion,” he wrote, calling the safety mechanisms to prevent accidental arming “not complex enough.” The document said the bomb had four safety mechanisms, one of which is not effective in the air.When the aircraft broke up, two others were rendered ineffective.
     “One simple, dynamo-technology, low voltage switch stood between the United States and a major catastrophe!” Jones wrote, adding that it could have been “bad news — in spades” if the switch had shorted.
     Schlosser discovered the document, written in 1969, through the Freedom of Information Act. Read story



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