South Korean Defense Ministry said Friday that Defense Minister Shin Wonsik told local reporters the day before that his country had also spotted similar cooling system-related activities associated with the reactor last summer.
N.Korea's new reactor at nuclear site likely to be formally operational next summer, Seoul says
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The South Korean Defense Ministry said in a brief statement Tuesday the launch was delayed due to weather conditions.
South Korea delays spy satellite liftoff, days after North Korean satellite launch, blame weather
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