South Korean officials said North Korea could conduct two or three nuclear tests to develop tactical nuclear warheads.

North Korea must reach a certain level of technical level if you want to test the tactical nuclear warhead to attach on recent development missiles.

Mr. Shin admitted that it was difficult to predict the time when North Korea tested the nuclear but thought that it was approaching, emphasizing that South Korea is trying to maintain an agreement to reduce tensions signed by the army of the two countries

Long -range ballistic missiles were tested by North Korea on October 4.

The tactical nuclear weapon is a low -destructive nuclear weapon designed to use on the battlefield, while the strategic nuclear weapon with great destruction is often used in the decisive attack in the decisive attack.

The tensions of the Korean peninsula recently escalated when Pyongyang continuously conducted missile launches on the reason for response to the joint exercise between Washington, Seoul and Tokyo.

The United States and many allies condemned a series of North Korean missile launches, considering it a provocative and instability.

The United States and South Korea in recent weeks have strengthened the joint military exercise, with the participation of USS Ronald Reagan aircraft carrier, with anti -ship and anti -submarine content and many other activities.

North Korea launches missiles capable of carrying nuclear warheads from the reservoir, placing new challenges for the US -Korea defensive shield.

North Korea published the image of the exercise, supervised by Kim Jong-un, simulating the actual war, in order to deal with the US, Japan and Korea.