North Korea on Thursday said it had successfully fired an intermediate-range ballistic missile.
Leader Kim Jong Un reportedly watched both tests and was quoted by state media as saying the missiles would strengthen his country's capacity to launch nuclear strikes.
"We have at our command the assured capacity to attack the Americans in the Pacific arena in all-encompassing and practical ways," he said, according to KCNA.
The UN Security Council met Wednesday in New York to discuss the regime's latest missile tests. Several UN resolutions forbid the country from testing missiles with ballistic rocket technology.
Pyongyang conducted back-to-back missile tests on Wednesday from the eastern city of Wonsan, Yonhap News Agency reported. The first was presumed to have failed, it said.
The second missile was fired at a higher angle and flew some 400 kilometres, reaching an altitude of around 1,000 kilometres, it said.
"The test-fire was successfully conducted," said Pyongyang's official Korean Central News Agency, according to Yonhap. The tests are the latest in a string of failed attempts so far this year.