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    U.S. Sends Military Message to North Korea

    01:30
  • Inside North Korea: Citizens Say They’re Prepared to Fight Against US

    01:54
  • Kim Jong Un Isn't Crazy, He's a CEO

    03:45
  • Trump on North Korea: Military Action An Option, But ‘Nothing’s Inevitable’

    01:50
  • N. Korea Could Launch Another Missile This Weekend

    01:44
  • Dear Mr. President: Letters on North Korea's Threats

    02:00
  • Kim Jong Un Is 'Begging for War,' U.S. Says

    02:46
  • North Korea Missile Launch Rattles Japan

    01:47
  • North Korea Missile Crisis: How Safe Do Tokyo Residents Feel?

    01:39
  • U.S. Relations With China Grow Tepid Amid North Korea Crisis

    01:42
  • Guam’s Chamorro People Carry on, Despite Escalation of U.S.-North Korea Tensions

    02:00
  • At China-North Korea Border, Business Carrying on As Usual Despite Sanctions

    01:59
  • Trump on North Korea: We Will See What Happens

    01:51
  • Secret Diplomatic Back Channels Exist Between U.S. and North Korea

    01:57
  • North Korea Missile Threats Cause Unease in Guam

    02:21
  • Trump Tweet Says U.S. Military Solutions 'Locked and Loaded'

    02:41
  • High Tension in Seoul, a City Just 35 Miles from North Korea Border

    01:09
  • Tiny Island of Guam in the Crosshairs of U.S.-North Korea Crisis

    02:24
  • Trump on North Korea: ‘Fire and Fury’ Comments Not Tough Enough

    02:14
  • Trump: North Korea Won't Be Threatening the U.S.

    02:14

U.S. Military in South Korea: ‘Ready to Fight Tonight’

03:06

Lester Holt visits Osan Air Base in South Korea, where the men and women of the U.S. military live in a constant state of alert due to threats from North Korea.