On Nov. 29, it test-fired an intercontinental ballistic missile which it said was its most advanced yet, capable of reaching the mainland United States.
Last month's launch was the first test of any kind since September 15, and quashed hopes that the North may have held back in order to open the door to a negotiated solution to the nuclear standoff.
Tension flared anew in the flashpoint peninsula after the November 29 launch of the Hwasong-15 ICBM, which the North claimed could deliver a "super-large heavy warhead" anywhere on the U.S. mainland. During the exercises, the three navies aim to polish their skills at detecting and tracking potential ballistic missiles using a computer-simulated training module.
Japan is planning on installing a new missile defense system in response to the threat from North Korea.
Carson Wentz injured, leaves game early against LA Rams
The Rams defense held the Eagles to another field goal, keeping it a two-point game, but the Rams couldn't answer. In the absence of tight end Zach Ertz , Brent Celek and Trey Burton each pulled down a touchdown grab.
A Terminal High Altitude Area Defense (THAAD) interceptor is launched during a successful intercept test, in this undated handout photo provided by the U.S. Department of Defense, Missile Defense Agency.
South Korea's government says the sanctions on 20 North Korean groups and 12 individuals took effect from Monday. The Pentagon has mounted repeated shows of force after North Korean tests.
The South Korean Foreign Ministry official added that the new sanctions are expected to prevent the flow of illegal funding into North Korea.
U.S. Air Force B-1B bombers, F-35B stealth fighter jets and South Korean F-15K fighter jets fly over the Korean Peninsula during a joint drills, South Korea on Monday, Sept. 18, 2017.
The drill will be held in waters near Japan today and tomorrow, Defence Minister Itsunori Onodera said as he visited a garrison in northern Japan. "If war does come, it will be because of continued acts of aggression like we witnessed, and if war comes, make no mistake, the North Korean regime will be utterly destroyed".