The Columbia-class nuclear submarine fleet will enter service in 2031 and serve until 2085.
The spacecraft designed for the mission is called HAMMER.
Meeting is diplomatically risky, as leaders may have completely different ideas of what "denuclearization" means, experts said.
A small handful of private companies are making big bucks from the threat of nuclear war.
In a series of phone calls over four days, the president and close American allies shared concerns about Russia's new nuclear weapons.
Russia's new RS-28 Sarmat intercontinental ballistic missile is allegedly capable of wiping out Texas, but Putin's demonstration took aim elsewhere.
Secret war games attended by top U.S. military brass reportedly showed up to 10,000 American troops would be injured within days of the conflict.
Russia and China have tried to mediate in the nuclear crisis between the U.S. and North Korea in an attempt to avoid an all-out nuclear war.
North Korea and Syria have a history of working together against what they view as U.S. imperialism. In recent years, they've both seen success.
Little is known about the first member of Kim Jong Un's family to enter South Korea, but experts say rising star Kim Yo Jong is all part of the plan.
North Korea said "there is no other option now for the U.S. than to co-exist with" Kim Jong Un's nuclear weapons arsenal.
"North Korea may now be only months away from the capability to strike the United States with nuclear-armed ballistic missiles," U.S. envoy Robert Wood said.
The report was back online on Saturday.
The push came amid reports the Trump administration was mulling over conducting a "bloody nose" strike against North Korea.
Russia's ambassador to North Korea said Moscow's nuclear-armed neighbor would consider an attempt to stop oil flow to be a "declaration of war."
China's official military newspaper compared nuclear weapons to a sword of Damocles hanging over humanity, but said upgrades were necessary.
North Korea accused the U.S. of "sacrificing the world for its own abundant life," a move that upset even Washington's closest allies.
"It will be a very, very kinetic, physical, violent fight over some really, really tough ground, and everybody is going to have to be mentally prepared," Marine Corps Commandant General Robert Neller said.
The U.S. has said it cannot tolerate North Korea as a nuclear power.
"North Korea's nuclear weapons program is continuing to expand," Pompeo said.
North Korea said it was able to build nuclear bombs and intercontinental ballistic missiles because it trusts no one but itself.
Foreign Minister Sergey Lavrov said the treaty "triggers strong differences between the members of the international communities."