Under third-generation North Korean leader Kim, the reclusive state has conducted its most powerful nuclear test, launched its first-ever intercontinental ballistic missile and threatened to send missiles into the waters near the U.S. territory of Guam.
Since 2011, Kim has fired more than 90 missiles and conducted four nuclear weapons tests, which is more than what his father, Kim Jong Il, and grandfather, Kim Il Sung, launched over a period of 27 years.
The North's arsenal includes short- and medium-range ballistic missiles, intercontinental ballistic missiles and cruise missiles. The Hwasong-15 intercontinental ballistic missile is the most powerful rocket the North has tested to date.
The Hwasong-15 missile, also known as KN-22 by the U.S., is believed to have a range capable of hitting the entire continental United States, according to estimates from the Missile Defense Project.
In 2017 alone, Kim Jong Un launched 24 missiles and carried out North Korea's largest nuclear test.
As it stands, North Korea remains the only nation to test nuclear weapons in this century.
On Sept. 3, 2017, the rogue regime carried out its sixth and most powerful nuclear test, saying it detonated an advanced hydrogen bomb designed for a long-range missile.
The bomb is estimated to have had an explosive yield of 120 kilotons, which equates to a blast created from 265 million pounds worth of TNT, according to Norsar, a Norwegian geoscience research foundation.
"Kim Jong Un has repeatedly emphasized that nuclear weapons were a fundamental part of his national security and his nation's survival, and they even put nuclear weapons into their constitution," Lisa Collins, a fellow with the Korea Chair at the Center for Strategic and International Studies, told CNBC.
"It's a little surprising and difficult for me to believe that they would change that stance overnight," Collins added.
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