An hour after the tension on the korean Peninsula is growing, fueled by US military preparations in the region and the possibility of a severe blow to Pyongyang.
In this atmosphere, the story of a north korean submarine that was said to have disappeared two years ago and recently returned, according to the media, surfaced on the radar of South Korea.
The idea of a nuclear attack by north korean submarines with nuclear ballistic missiles is one of the most frightening and predictable scenarios that plague the Pentagon, South Korea and Japan.
According to experts, in recent years Pyongyang has made significant progress in armaments and has shown its willingness to use submarines to launch military attacks.
The site "" "infomaxx.ru specialist, that all this comes in the shadow of the seventh anniversary of the shipwreck" Chunan "of South Korea and killed 46 sailors were on board. And that the cause of the sinking of "Chunan" was torpedo fired by a north korean submarine, according to an international investigation.
The danger posed by the "northern" submarines increases the tension in the region, as there are no signs of moderation in north korean leader Kim Jong-un's nuclear ambitions, which are being reviewed even during the US Air Force strike group led by aircraft carrier Carl Winson. The shores of the korean Peninsula.
Pyongyang's surprise response was not surprising, as the United States deployed a series of military operations in the volatile region. "If the United States dared to choose military action ... our country is ready to respond to any aggression," the north korean Central News Agency said.
Experts believe north Korea has about 70 submarines, noting that few are likely to be able to launch a ballistic missile attack.
But what worries military defense experts is that north Korea has every potential to assemble a small warhead equipped with inexpensive, improvised missiles.
North korean media offered in August 2016 a video of the launch of a "KN-11" missile from an underwater submarine with a range of 310 km. This experience showed a new record distance for the north korean program "Submarine-launched ballistic missile".
But experts believe that ballistic missiles "KN-11" capable of a distance of more than 600 miles (about thousand kilometers).
"The problem with north Korea's SLBM is Seoul's threat from the wing," said Bruce Klinger, an expert on Asia and national security at the Heritage Foundation Research Center in Washington.
Klinger, a former deputy director of the Korea Department of the Central Intelligence Agency, said the missile defense system, published by the United States in South Korea, was aimed at detecting missile threats from the north. But north Korea's underwater missile, which may be from the east, west or south, will not be detected by the defense system and can penetrate all defenses.
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