A Timeline of North Korea’s Missile Launches and Nuclear Detonations

The North Korean weapons program now testing U.S. President Donald Trump stretches back decades, when the regime began reverse-engineering Scud missiles acquired from Egypt. International efforts to curb North Korea’s nuclear threat were dealt a setback in 2006 with the country’s first successful bomb test, and former leader Kim Jong Il abandoned talks a few years later. His son and successor, Kim Jong Un, has only accelerated the program, testing more sophisticated technology in defiance of international sanctions.

Here’s a detailed history of North Korea’s weapons programs: