Feb. 12: In its first show of defiance against the Trump administration, North Korea successfully launches a solid-fueled ballistic missile called the Pukguksong-2 from a submarine.
March 6: North Korean artillery units fire four ballistic missiles into the Sea of Japan as part of a simulated attack on U.S. military bases in Japan. Three land within 200 miles of Japan’s coastline and the country’s Prime Minister Shinzo Abe calls it “an extremely dangerous action.”
March 14 : The U.S. dispatches high-tech missile defense Aegis warships to the waters where the North Koreans fired the missiles for maneuvers with Japanese and South Korean warships.
March 15: Tillerson arrives in Japan for his first Asia trip as secretary of state.
March 19: The North Koreans test a new rocket engine, claiming its part of their space program.
April 2: Trump declares the U.S. will go it “alone” if China does not help solve the North Korean nuclear problem.
“China will either decide to help us with North Korea of they won’t,” Trump tells the Financial Times. “If they do, that will be very good for China, and if they don’t, it’s won’t be good for anyone.”
April 5: The North Koreans test fire a medium-range missile they claim is capable of destroying a U.S. aircraft carrier. It fails.
April 10: The USS Carl Vinson, an aircraft carrier, is dispatched to the region in a show of force.
April 15: The North Koreans test fire yet another KN-17 missile. It too fails. In Pyongyang, top official Choe Ryong accuses Trump of “creating a war situation” by dispatching U.S. forces to the region.
“We will respond to an all-out war with an all-out war and a nuclear war with our style of nuclear attack,” Choe threatens.
April 26: With tensions building, the U.S. test fires a $40 million Minuteman III missile at Vandenberg Air Force Base in California. North Korea calls it a provocation.
April 28: The North Koreans test fire another KN-17 missile. Once again, it’s a failure.
May 2: In a telephone conversation, Trump and Russian President Vladimir Putin discussed “how best to resolve the very dangerous situation in North Korea.”
