North Korea intends to complete the development of an intercontinental ballistic missile (ICBM) by the end of this year, according to official sources. Although criticized by many nations, North Korea’s effort to improve its nuclear capabilities continue without a break. Former minister at the North Korean Embassy in London, Thae Yong-ho said as North Korea takes into account political transitions in South Korea and the U.S., the development of miniaturized nuclear weapons that can fit atop an intercontinental missile came into prominence.