The launch came just a few days before Trump's scheduled meeting with Chinese President Xi Jingpeng at his golf club in Mar-a-Lago, where the issues they are expected to discuss include how to handle North Korea.
Japan sees itself as particularly vulnerable to North Korean missile launches, some of which have landed uncomfortably close to its northwestern coast.
Hyten said he would be providing military options to the president in dealing with the threat from North Korea, but maintained that China's involvement was critical in solving Pyongyang's nuclear challenge. "We have no further comment". -China summit later this week.
"This is Seoul's first missile with an 800-kilometer range and it will give South Korea the ability to put its launchers in the south out of range of North Korean missiles", said Michael Cole, senior non-resident fellow at the University of Nottingham's China Policy Institute in Taipei.
North Korea test-fired a ballistic missile on Wednesday from its east coast into the Sea of Japan, according to the US and South Korean military, in yet another snub to UN Security Council resolutions.
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Without spending cuts in the health care bill, it's much harder for Republicans to cut taxes without adding to federal deficits. In this case, what few details we have seem to say that the coming tax cuts won't do anything for the average American.
A United States statement said initial assessments indicate the type of missile was a KN-15 medium-range ballistic missile.
July 2006: North Korea test-fires a Taepodong-2 missile, which the United States says failed after launch.
It was far less of an upbeat assessment from U.S. Southern Command Admiral Kurt Tidd, in describing the U.S. war on drugs.
The South Korean Defense Ministry would neither confirm nor deny the success of the test, saying the official name of the missile, which has been in development since 2012, would be published when it is deployed.
The following is a timeline of North's Korea's nuclear and missile tests.
This could be the end for Bill O'Reilly
Fox News host Bill O'Reilly, reporting about the situation on his show The O'Reilly Factor , seemed to find the incident humourous.
Mr Trump said: "China has great influence over North Korea". Pacific Command detected and tracked what officials assess to be a North Korean missile launch at 11:42 a.m. yesterday, Hawaii time - 5:42 p.m. EDT - Pacom officials announced.
Ralph Cossa, president of the Pacific Forum CSIS think tank in Honolulu, said he was expecting North Korea would do something to coincide with the Trump-Xi summit, perhaps conduct a nuclear test.
Although details of the administration's review have been thin while the National Security Council hammers out recommendations to implement, sources say it will lean heavily on secondary sanctions.
The Pew Research Center suggests its poll will give President Trump useful feedback as he meets with Chinese President Xi Jinping, reassuring the US president that Americans see North Korea as a serious problem and support tough measures against it.
Bond between Trump, Xi in meetings played role in China abstention
This warning comes on the heels of a chemical weapons attack earlier this month that killed more than 80 people in Syria . Trump's remarks came as his White House has struggled to convey a single strategy in ending Syria's six-year civil war.