Dispelling any doubt, North Korea’s 73-year-old female version of Walter Cronkite, Ri Chun-hee, appeared on state-controlled television to announce the test. She almost always appeared for the big moments. Wearing pink, and speaking in a gleeful, soaring voice, she told viewers that the regime had built a better, bigger and more versatile bomb.
The North’s nuclear weapons center said the new nuclear bomb could be mounted on a ballistic missile, a disturbing claim, although seriously doubted by U.S. intelligence.
To compound the potential North Korean threat, four days earlier the North had launched three medium-range ballistic missiles that had flown 1,000 kilometers before dropping in the Sea of Japan, making South Korea and Japan reachable targets. These tests matched an earlier single 1,000-kilometer launch the month before. Three was not a fluke.
Even with his intense desire to avoid a war, Obama decided the time had come to consider whether the North Korean nuclear threat could be eliminated in a surgical military strike. As he prepared to hand over the presidency, he knew he needed to address the North Korea mess head-on.
That successor, of course, would almost certainly be Hillary Clinton. He assured his aides in so many words that the American people would do the right thing and elect her.
From the outset President Obama had authorized several Special Access Programs (SAP), the most classified and compartmented operations conducted by the military and intelligence, to deter North Korean missiles. One program pinpointed cyber attacks on the command, control, telemetry and guidance systems before or during a North Korean missile test launch. These high-risk cyber attacks had begun in his first year as president. Their success rate was mixed.
Another highly secret operation focused on obtaining North Korean missiles. And a third enabled the United States to detect a North Korean missile launch in seven seconds. Officials have asked that I not describe the details in order to protect national security operations deemed vital to the interests to the United States.
The North Korean threat had not been diminished, and in September 2016 Obama posed a sensitive question to his National Security Council: Was it possible to launch a preemptive military strike, supported by cyber attacks, on North Korea to take out their nuclear and missile programs?
This unfinished business was particularly gnawing for Obama. His predecessors, Bill Clinton and George W. Bush, had addressed but not solved problems that had been mounting for decades. And now the United States had run out of road. The Hermit Kingdom was creating a force that could extend an arc of potential devastating nuclear destruction to the homeland.
James Clapper, Obama’s director of national intelligence, had begun his career commanding a signals intelligence listening post in Thailand during the Vietnam War. Now 75 years old, bald and bearded with a wide, expressive face, he was the granddaddy of American intelligence—gruff, direct, outspoken, seasoned.
Clapper rang the bell loud and clear with Obama: The reporting showed that the new North Korean weapon systems would work in some form. But what threat did they pose? To South Korea? Japan? The United States? How immediate? Was the North just looking for a bargaining chip?
The intelligence assessment showed an increasing level of effort, strongly suggesting that Kim Jong Un was building a fighting force of nuclear weapons, or at least he wanted to make it appear that way.
Despite the public cartoon that cast him as an unstable madman, sensitive intelligence reporting showed that Kim, now age 34, was a much more effective leader of the North’s nuclear weapons and missiles programs than his father, Kim Jong Il, who had ruled for 17 years from 1994 to 2011.
The elder Kim had dealt with weapons test failures by ordering the death of the responsible scientists and officials. They were shot. The younger Kim accepted failures in tests, apparently absorbing the practical lesson: Failure is inevitable on the road to success. Under Kim Jong Un, the scientists lived to learn from their mistakes, and the weapons programs improved.
Obama tasked the Pentagon and intelligence agencies with examining whether it would be possible to take out all of North Korea’s nuclear weapons and related facilities. Could they effectively target all of this? They would need to update the satellite, signals and human intelligence. So much was not known or certain.
Pakistan, which had nuclear weapons since 1998, had miniaturized their nukes and put them in mines and artillery shells. Did North Korea have that capability? Current intelligence assessments could not answer definitively.
The intelligence assessment also showed that a U.S. attack could not wipe out everything the North had. There would be lost targets because they did not know about them, and partial destruction of other targets.