“General Electric Co. (GE)’s design for a nuclear reactor at a damaged Japanese power plant spurred the 1970s resignation of three employees over concern that its core might not withstand the loss of cooling systems in a severe accident, ABC News reported.

“Japan is struggling to avert a meltdown at the Fukushima Dai-Ichi plant after cooling systems on so-called Mark 1 reactors were disabled in a March 11 tsunami that followed the country’s worst-ever earthquake.

“Five of the six reactors at the facility use the Mark 1 design, ABC reported. Even after being retrofitted, they remain more susceptible to an accident that might breach the containment vessel, Dale G. Bridenbaugh, one of the three workers who stepped down about 35 years ago, told ABC.”

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