Considering its range, the Hwasong-14 missiles could potentially reach the continental U.S.
"They [North Korea] have conducted two launches of ICBMs [intercontinental ballistic missiles]". The missile flew over the northern island of Hokkaido and traveled 1,700 miles before landing in the sea.
Japan's defence ministry said it will request its largest-ever annual budget, just days after nuclear-armed North Korea fired a rocket over the country in a provocation that drew global condemnation.
Japan's Abe vowed to enhance pressure on Pyongyang.
"Ballistic missiles are easy (for radar) to see", Williams said. The missile landed harmlessly in the ocean.
In Beijing, Chinese Foreign Ministry spokeswoman Hua Chunying rebuffed May's remarks, saying that unlike its critics, Beijing sought not only to impose sanctions on North Korea but also to promote talks aimed at preserving peace on the peninsula.
Cordesman holds the Arleigh A. Burke Chair in Strategy at the Center for Strategic and International Studies and is a national security analyst on a number of global conflicts.
On Wednesday, Mr Trump declared "talking is not the answer" to resolving the long-standing impasse amid pushes for diplomacy from within his own administration. That could offer an opportunity for things to cool off in the region, but Kim has told his military to launch more missiles into the Pacific, and that means more could fly over Japan.
-South Korea military exercises as part of any deal for North Korea to suspend its nuclear and missile programs. "What Japanese businesses and other businesses have asked us to look at is this issue of the certainty going forward of not having a cliff edge".
Officials say the USS John Paul Jones detected and tracked a medium-range ballistic missile that was launched from the Pacific Missile Range Facility.
The current proposal calls for spending on new SM-3 Block IIA interceptors - developed jointly with the USA to counter potential attacks by simultaneous missile launches, as well as a next-generation early-warning and radar system.
Still, China and Russian Federation predictably blamed the United States and South Korea for contributing to the tensions. Japan's self defense forces also have ships equipped with Aegis radar systems.