What If North Korea And The U.S. Went To War?

North Korea is threatening the U.S. and South Korea after the nations held a joint military exercise. So could North Korea take on the U.S.?

Learn More:
U.S.-South Korea Relations (fas.org)
"South Korea (known officially as the Republic of Korea, or ROK) is one of the United States' most important strategic and economic partners in Asia, and since 2009 relations between the two countries arguably have been at their most robust state in decades. "

Why Russia and China Won't Curb North Korea Any More Than the U.S. Will Curb Saudi Arabia (huffingtonpost.com)
"On Jan. 6, the North Korean government announced to the world that it had conducted a successful test of a hydrogen bomb."

Killer Drones, Stealth Jets, Spy Planes: Bob Gates' Legacy in Military Tech (wired.com)
"On his way out the door at the Pentagon, Robert Gates leveled with the military."

Nuclear arsenals (icanw.org)
"Nine countries together possess more than 15,000 nuclear weapons."