North Korean leader Kim Jong-Un said on Sunday the hermit nation is “actively progressing” on plans to test launch an intercontinental ballistic missile.

“Research and development of cutting-edge arms equipment is actively progressing and ICBM rocket test launch preparation is in its last stage,” Kim said during the New Year’s Day speech, according to reports from Reuters and Agency France-Presse.

He continued to say North Korea was now a “military power of the East that cannot be touched by even the strongest enemy.”

The country has long sought to become a nuclear power capable of sending ICBMs topped with warheads all the way to the United States. Arms experts have said Kim could have such capacity by 2020 and the country could have enough nuclear material to build up to 100 warheads.

During the 30-minute address, Kim said North Korea “will continue to strengthen its ability based on nuclear might to mount a preemptive attack,” according to Bloomberg.

North Korea continually rankled the international community in 2016, conducting several missile launches and both its fourth and fifth nuclear tests. The United Nations Security Council unanimously imposed harsh sanctions on the country in November in an attempt to stifle the efforts