The methods used were similar to other attacks attributed to North Korea.
“It cannot be that North Korea is the only Korean country in the world that has nuclear weapons."
The land-based system can shoot down a missile both inside and just outside the atmosphere.
The monster-themed ballistic missile is part of a three-tier attack plan designed to inflict "unbearable cost" to North Korea's military and government.
The South Korean Navy is currently conducting a maritime drill with the U.S. Navy, which deployed its 100,000-ton aircraft carrier USS Ronald Reagan.
The latest threat comes as the U.S. and South Korea hold joint naval drills.
The hacking attack occurred last year, but the South Korean defense ministry has said little about it.
The U.S. president is reportedly considering visiting the border area splitting the Korean peninsula on his tour of Asia.
South Korea is adding the weapons to its arsenal as part of one of recently-developed military programs, the so-called “Kill Chain.”
North Korea claims it foiled a joint CIA and South Korean plot on Kim Jong Un’s life and blasted Washington’s global war on terror.
The American and South Korean delegations met in Washington for a second round of talks on the deal, known as the KORUS FTA, this week.
New analysis uses North Korea’s estimated capabilities to calculate the amount of casualties that would result from a nuclear attack.
The omission was corrected only after the Japan Sports Agency contacted the South Korean Embassy in Tokyo on Wednesday.
The regime has already said it considers shooting U.S. jets outside of its airspace justified.
Russia did not appreciate President Donald Trump's vow to "totally destroy" North Korea, and has plans of its own to solve the nuclear crisis.
Despite multiple nuclear tests carried out by Pyongyang, most South Koreans think war is unlikely.
Not even Pyongyang's sixth and largest nuclear test to date is shaking South Korea's president olive branch offer to Pyongyang.
North Korea has lashed out at U.S. regional allies South Korea and Japan for acting on Washington's behalf and undermining Kim Jong Un's nuclear ambitions.
The government has approved a one-off long break around Korean Thanksgiving.
An unlimited warhead weight allowance would enable the South to strike North Korea with greater force in the event of a military conflict.