nuclear weapons nuclear weapons

On March 1, 1954, the U.S. conducted its largest nuclear test with a yield of 15 megatons. The new Russian weapon would be up to 100 megatons, according to reports. USAF Lookout Moutain Laboratory hide caption

toggle caption
USAF Lookout Moutain Laboratory

Buried In Trump's Nuclear Report: A Russian Doomsday Weapon

  • Download
  • <iframe src="https://www.npr.org/player/embed/582087310/582852332" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

John Coster-Mullen Meredith Rizzo/NPR hide caption

toggle caption
Meredith Rizzo/NPR

North Korea Designed A Nuke. So Did This Truck Driver

  • Download
  • <iframe src="https://www.npr.org/player/embed/570806064/573464391" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A Hawaii Civil Defense Warning Device, which sounds an alert siren during natural disasters, is shown in Honolulu on Nov. 29, 2017. The alert system is tested monthly, but now Hawaii residents will hear a new tone designed to alert people of an impending nuclear attack by North Korea. Caleb Jones/AP hide caption

toggle caption
Caleb Jones/AP

Nuclear Strike Drills Faded Away In The 1980s. It May Be Time To Dust Them Off

  • Download
  • <iframe src="https://www.npr.org/player/embed/572013287/572068683" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

South Korean and U.S. marine fighter jets fly over the Korean Peninsula during a training on Aug. 31, 2017 in Gangwon-do, South Korea. Handout/South Korean Defense Ministry hide caption

toggle caption
Handout/South Korean Defense Ministry

Secretary of State Rex Tillerson shakes hands with China's President Xi Jinping in Beijing on Saturday. Tillerson acknowledged the U.S. has direct contact with North Korea over its nuclear program. China is seen as crucial in helping to avert a military confrontation. Lintao Zhang/AP hide caption

toggle caption
Lintao Zhang/AP

President Trump told the U.N. General Assembly Tuesday that the U.S. may have no choice but to "totally destroy" North Korea if forced to defend itself and its allies. Richard Drew/AP hide caption

toggle caption
Richard Drew/AP

Stanislav Petrov, a former Soviet military officer, poses at his home in 2015 near Moscow. In 1983, he was on duty when the Soviet Union's early warning satellite indicated the U.S. had fired nuclear weapons at his country. He suspected, correctly, it was a false alarm and did not immediately send the report up the chain of command. Petrov died at age 77. Pavel Golovkin/AP hide caption

toggle caption
Pavel Golovkin/AP
Alyson Hurt/NPR

NPR/Ipsos Poll: Half Of Americans Don't Trust Trump On North Korea

  • Download
  • <iframe src="https://www.npr.org/player/embed/551095795/551726576" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

People at the Seoul Railway Station in the South Korean capital watch a TV report on North Korea's missile launch on Friday, days after the U.N. Security Council adopted new sanctions against Pyongyang. Chung Sung-Jun/Getty Images hide caption

toggle caption
Chung Sung-Jun/Getty Images

Moon Jae-in, South Korea's president, (center) will meet with President Trump on Thursday and Friday. Bloomberg/Bloomberg via Getty Images hide caption

toggle caption
Bloomberg/Bloomberg via Getty Images

What To Expect From The White House Summit With South Korea's Leader

  • Download
  • <iframe src="https://www.npr.org/player/embed/534649969/534765062" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript