Echoing Pence this week, he warned: "Just in the past two weeks, the world witnessed the strength and resolve of our new president in actions taken in Syria and Afghanistan".
In a separate interview with CNN, the vice president said that "the only thing we need to hear from North Korea is that they are ending and ultimately dismantling their nuclear weapons and ballistic missiles program".
Aboard a USA aircraft carrier stationed in Japan, Vice President Mike Pence vowed that Washington would defend its allies against what he called the region's most risky threat: North Korea.
Vice President Mike Pence avoided a direct answer when asked if the USA used any cyber or electronic technology to sabotage Sunday's North Korean missile test.
"North Korea is the most unsafe and urgent threat to the peace and security" of the region, Pence told U.S. and Japanese Navy personnel as he visited the USS Ronald Regan at a USA naval base in Yokosuka, south of Tokyo. He says the Trump administration's plans to simplify the US tax code and cut the corporate tax rate will "benefit every business represented here today".
The two governments hope to achieve North Korea's abandonment of its nuclear program through heightening US military pressure as well as strengthening economic sanctions by China.
"All of those negotiations and discussions failed, miserably", Pence said.
However, a senior Japanese Defense Ministry official said, "North Korea considers nuclear development to be a means of deterring USA attacks".
Indonesia is one of 16 countries under review for having a trade surplus with the United States.
He added, "Now all options are on the table, and there they will remain".
Mattis credited China with trying to help get the North Korea situation "under control" with the goal of denuclearizing the Korean Peninsula.
U.S. Vice President Mike Pence is wrapping up his visit to Japan with a stop at a youth baseball and softball event outside Tokyo. In fact, there are some similarities. First, the Trump administration is not seeking concessions as a means to return to negotiations, as Obama did.
Staff serve drinks to U.S. Vice President Mike Pence, center and Indonesian President Joko Widodo, second from right, during their meeting at Merdeka Palace in Jakarta, Indonesia, Thursday, April 20, 2017.
"GIs hurled fully armed MPs of the South Korean puppet army into perpetrating such risky provocations as aiming at" North Korea's side of the demilitarized zone, said the statement from the Korean Central News Agency, based in Pyongyang, the nation's capital.
South Korean leaders expressed strong support for Pence's approach in meetings this week in Seoul.
South Korean government officials sought to play down Pence's comments about overhauling the existing trade agreement between the two countries.
Pence's trip to Korea comes amid increasing tensions between the United States and North Korea, with Pyongyang's ambassador to the United Nations the latest to weigh in. To be fair to Pence, North Korean soldiers can actually see what's happening across the DMZ.
But his response went beyond offering a simple "no comment", as he made it very clear that the United States recognized that the launch failed, and failed nearly immediately. "The American people know it and its been heralded across the world community".