Pence's visit, full of Cold War symbolism, came amid increasing tensions and heated rhetoric on the Korean Peninsula. North Korea has been conducting several nuclear tests and missile launches in contravention of UNO resolutions.
United States officials say new sanctions could include an oil embargo, a global ban on North Korea's airline, intercepting cargo ships and punishing Chinese banks doing business with Pyongyang.
Speaking onboard the aircraft carrier Wednesday, Pence also said that more of the U.S.'s most advanced military assets would be deployed to the region, where 47,000 American troops are stationed in Japan and 28,000 in South Korea, under decades-old mutual defense treaties underpinning regional security in East Asia.
Pence told the ship's captain that he had spoken to President Donald Trump, and Trump "wishes he were here". "All options are on the table to achieve the objectives and ensure the stability of the people of this country", said Pence.
So Pence struck a stern tone after arriving at a United States naval base from South Korea.
After a two-month policy review, the Trump administration settled on a policy dubbed "maximum pressure and engagement", USA officials said Friday.
The officials weren't authorized to speak publicly on the results of the policy review and requested anonymity.
Pence is on a 10-day Asia trip that will see him also visit Indonesia and Australia.
North Korea's Vice Foreign Minister Han Song-Ryol told the BBC that missiles would be tested on "a weekly, monthly and yearly basis".
Rather, the three parties agreed that China should collaborate with its neighboring countries to solve what made the deployment of such defense system necessary in the first place, namely, North Korea's continued missile provocations, including a failed missile test on April 16th, as well as speculation about the regime preparing to conduct a sixth nuclear test any time soon.
But the vice president said he is encouraged and believes North Korea is listening to the Trump administration's concerns.
And she added. "We've seen some tangible indications. that they're working towards this end, but it's still quite early". Trump tweeted on Sunday. They have a pretty good power, not a great power perhaps, but a pretty good power over North Korea.
He noted it was "most concerning" that the U.S. trade deficit with South Korea has more than doubled since their bilateral trade pact came into effect, from US$13.2 billion in 2011 to US$27.6 billion past year.
The North regularly launches short-range missiles, but is also developing mid-range and long-range missiles meant to target US troops in Asia and, eventually, the USA mainland.
Impoverished North Korea and the rich, democratic South are technically still at war because their 1950-1953 conflict ended in a truce, not a peace treaty. And a day later it conducted a failed missile test, which drew global condemnation.
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