HR McMaster warns the US 'can't tolerate' a nuclear-armed North Korea

  • National Security Adviser H.R. McMaster warned this week that the US cannot co-exist with a nuclear-armed North Korea. 
  • He said that the US is continuing to pressure "all nations to cut off trade" with North Korea in an effort to pressure it to abandon its nuclear program. 
  • Ultimately, he argued, the US "can't tolerate" a nuclear-armed North Korea.


National Security Adviser H.R. McMaster warned that the US cannot tolerate a nuclear-armed North Korea just hours after the rogue Asian nation declined to engage in diplomatic talks without preconditions with the US. 

McMaster added that the US is continuing it's policy of applying military, economic, and diplomatic pressure with the goal of denuclearization. 

"What we're doing is really applying maximum pressure to North Korea to really convince Kim Jong Un that this is a dead end," McMaster told CBS on Tuesday morning, adding that this has involved a global effort to isolate North Korea by encouraging "all nations to cut off all trade." 

RELATED: Every missile launch conducted by North Korea in 2017

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Every missile launch conducted by North Korea in 2017
This photo taken on February 12, 2017 and released on February 13 by North Korea's official Korean Central News Agency (KCNA) shows the launch of a surface-to-surface medium long-range ballistic missile Pukguksong-2 at an undisclosed location. North Korea said on February 13 it had successfully tested a new ballistic missile, triggering a US-led call for an urgent UN Security Council meeting after a launch seen as a challenge to President Donald Trump. / AFP PHOTO / KCNA via KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS / THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. / (Photo credit should read STR/AFP/Getty Images)
TOPSHOT - This undated picture released by North Korea's Korean Central News Agency (KCNA) via KNS on March 7, 2017 shows the launch of four ballistic missiles by the Korean People's Army (KPA) during a military drill at an undisclosed location in North Korea. Nuclear-armed North Korea launched four ballistic missiles on March 6 in another challenge to President Donald Trump, with three landing provocatively close to America's ally Japan. / AFP PHOTO / KCNA VIA KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. / (Photo credit should read STR/AFP/Getty Images)
TOPSHOT - A man walks past a television screen showing file footage of a North Korean missile launch, at a railway station in Seoul on March 22, 2017. A new North Korean missile test failed on March 22, the South and US said, two weeks after Pyongyang launched four rockets in what it called a drill for an attack on American bases in Japan. / AFP PHOTO / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
A man walks past a television screen showing file footage of a North Korean missile launch, at a railway station in Seoul on April 5, 2017. Nuclear-armed North Korea fired a ballistic missile into the Sea of Japan on April 5, just ahead of a highly-anticipated China-US summit at which Pyongyangs accelerating atomic weapons programme is set to top the agenda. / AFP PHOTO / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
A North Korean navy truck carries the 'Pukkuksong' submarine-launched ballistic missile (SLBM) during a military parade marking the 105th birth anniversary of country's founding father, Kim Il Sung in Pyongyang, April 15, 2017. North Korea has escalated tests of its SLBM programme in the last year. Whilst the isolated country is not yet believed to have an operational submarine capable of carrying more than one missile at the time, its enemies are worried that a fully-functional SLBM would make tracking and intercepting a North Korean missile launch and the submarine from which it was fired very difficult. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY SEARCH "PARADE WID" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.
This picture taken on May 14, 2017 and released from North Korea's official Korean Central News Agency (KCNA) on May 15 shows a test launch of the ground-to-ground medium long-range strategic ballistic rocket Hwasong-12 at an undisclosed location. / AFP PHOTO / KCNA VIA KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. / (Photo credit should read STR/AFP/Getty Images)
FILE PHOTO - The scene of the intermediate-range ballistic missile Pukguksong-2's launch test in this undated photo released by North Korea's Korean Central News Agency (KCNA) May 22, 2017. KCNA/via REUTERS/File photo ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THIS IMAGE. NO THIRD PARTY SALES. SOUTH KOREA OUT.
People watch a television broadcasting a news report on North Korea firing what appeared to be a short-range ballistic missile, at a railway station in Seoul, South Korea, May 29, 2017. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY
SEOUL, SOUTH KOREA - JUNE 08: People watch a television broadcast reporting the North Korean missile launch at the Seoul Railway Station on June 8, 2017 in Seoul, South Korea. According to the South Korean military, North Korea launched several cruise missiles from the east coast toward the ocean on June 8, 2017 in its fourth missile test in four weeks. The launch came amid the international tension surrounding the policy on North Korea, as a day before the newly elected South Korean president, Moon Jae-in, announced the suspension of the deployment of an controversial American missile defence system, and less than a week before the United Nations Security Council expanded the sanctions against North Korea. (Photo by Chung Sung-Jun/Getty Images)
This picture taken and released on July 4, 2017 by North Korea's official Korean Central News Agency (KCNA) shows the test-fire of the intercontinental ballistic missile Hwasong-14 at an undisclosed location. North Korea declared on July 4 it had successfully tested its first intercontinental ballistic missile -- a watershed moment in its push to develop a nuclear weapon capable of hitting the mainland United States. / AFP PHOTO / KCNA VIA KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. / (Photo credit should read STR/AFP/Getty Images)
A photo taken on July 6, 2017 shows a mass dance event as part of celebrations marking the July 4 launch of the Hwasong-14 intercontinental ballistic missile, in Pyongyang. Fireworks lit up the sky over Pyongyang's Juche Tower as North Korea celebrated its launch of intercontinental ballistic missile, a milestone in its decades-long weapons drive. On July 4 -- the United States' Independence Day -- it launched a Hwasong-14 rocket that analysts and overseas officials said had a range of up to 8,000 kilometres, which would put Alaska and Hawaii within reach. / AFP PHOTO / KIM Won-Jin (Photo credit should read KIM WON-JIN/AFP/Getty Images)
TOPSHOT - This July 28, 2017 picture released from North Korea's official Korean Central News Agency (KCNA) on July 29, 2017 shows North Korea's intercontinental ballistic missile (ICBM), Hwasong-14 being lauched at an undisclosed place in North Korea. Kim Jong-Un boasted of North Korea's ability to strike any target in the US after a second ICBM test that weapons experts said could even bring New York into range - in a potent challenge to US President Donald Trump. / AFP PHOTO / KCNA VIS KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. TO GO WITH NKorea-nucelar-missile-Japan-SKorea-politics, FOCUS by Shingo Ito and Park Chan-Kyong / (Photo credit should read STR/AFP/Getty Images)
SEOUL, SOUTH KOREA - AUGUST 26: People watch a television broadcast reporting the North Korean missile launch at the Seoul Railway Station on August 26, 2017 in Seoul, South Korea. North Korea launched several ballistic missiles into the East Sea resuming a provocative act in a month despite Washington's diplomacy-first approach toward the belligerent regime. (Photo by Chung Sung-Jun/Getty Images)
TOPSHOT - This picture from North Korea's official Korean Central News Agency (KCNA) taken on August 29, 2017 and released on August 30, 2017 shows North Korea's intermediate-range strategic ballistic rocket Hwasong-12 lifting off from the launching pad at an undisclosed location near Pyongyang. Nuclear-armed North Korea said on August 30 that it had fired a missile over Japan the previous day, the first time it has ever acknowledged doing so. / AFP PHOTO / KCNA VIA KNS / STR / South Korea OUT / REPUBLIC OF KOREA OUT ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO/KCNA VIA KNS' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. / The erroneous mention[s] appearing in the metadata of this photo by STR has been modified in AFP systems in the following manner: [at an undisclosed location near Pyongyang] instead of [in Pyongyang]. Please immediately remove the erroneous mention[s] from all your online services and delete it (them) from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require. (Photo credit should read STR/AFP/Getty Images)
SEOUL, SOUTH KOREA - SEPTEMBER 15: People watch a television broadcast reporting the North Korean missile launch at the Seoul Railway Station on September 15, 2017 in Seoul, South Korea. North Korea launched a ballistic missile over Japan just days after the U.N. Security Council adopted new sanctions against the regime over its sixth nuclear test on Sept. 3. (Photo by Chung Sung-Jun/Getty Images)
People watch a television screen showing a file video footage of North Korea's missile launch, at a railway station in Seoul on November 29, 2017. North Korea test fired what appeared to be an intercontinental ballistic missile on November 29, in a major challenge to US President Donald Trump after he slapped fresh sanctions on Pyongyang and declared it a state sponsor of terrorism. / AFP PHOTO / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
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McMaster said that the US, and the global community, "can't tolerate" a nuclear-armed North Korea.

"I don't think we can tolerate that," he said. "The world can't tolerate that risk."

During a Monday PBS interview, McMaster argued that the US must "act urgently" to implement existing sanctions and crack down on trade with the country , adding that the president had ordered him "to continue to refine a military option should we have to use it."

Also on Monday, Trump outlined his national security strategy in a speech that focused largely on economic policy, and argued that the US would confront "economic aggression" from China.

Earlier this month, McMaster called the communist nation "the greatest immediate threat to the United States" and said that the likelihood of war between the US and North Korea is "increasing every day." 

"We are in a race to be able to solve this problem," he said at the Reagan National Defense Forum in California. 

North Korea's Foreign Ministry said in a statement read on state TV that President Donald Trump and his administration were "begging for nuclear war" by engaging in what the statement referred to as an "extremely dangerous nuclear gamble," CNN reported.

This came as the US and South Korea began their largest cooperative aerial drill in history, dubbed Vigilant Ace, on the Korean peninsula.

Watch the clip below:

 

Rosie Perper contributed to this report. 

 

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