US official vows ‘forceful response’ if N. Korea tests nuke


              Japanese and U.S. joint fighter jets fly in formation over the Sea of Japan, Tuesday, June 7, 2022. Japanese and U.S. militaries conducted joint fighter jet flight drills over the Sea of Japan “amid increasingly severe security environment such as North Korea’s repeated ballistic missile firing,” Japan’s Defense Ministry announced Tuesday.(Joint Staff via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              Japanese and U.S. joint fighter jets fly in formation over the Sea of Japan, Tuesday, June 7, 2022. Japanese and U.S. militaries conducted joint fighter jet flight drills over the Sea of Japan “amid increasingly severe security environment such as North Korea’s repeated ballistic missile firing,” Japan’s Defense Ministry announced Tuesday.(Joint Staff via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              Japanese and U.S. joint fighter jets fly in formation over the Sea of Japan, Tuesday, June 7, 2022. Japanese and U.S. militaries conducted joint fighter jet flight drills over the Sea of Japan “amid increasingly severe security environment such as North Korea’s repeated ballistic missile firing,” Japan’s Defense Ministry announced Tuesday.(Joint Staff via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              Japanese and U.S. joint fighter jets fly in formation over the Sea of Japan, Tuesday, June 7, 2022. Japanese and U.S. militaries conducted joint fighter jet flight drills over the Sea of Japan “amid increasingly severe security environment such as North Korea’s repeated ballistic missile firing,” Japan’s Defense Ministry announced Tuesday.(Joint Staff via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets including South Korea's F-35A stealth fighters – and U.S. F-16 fighter jets, fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              In this photo provided by South Korea Defense Ministry, U.S. and South Korea Air Force fighter jets fly in formation during a joint drill on Tuesday, June, 7, 2022. The South Korean and U.S. militaries flew 20 fighter jets over South Korea's western sea Tuesday in a continued show of force as a senior U.S. official warned of a forceful response if North Korea goes ahead with its first nuclear test explosion in nearly five years. (South Korea Defense Ministry via AP)
            
              U.S. Deputy Secretary of State Wendy Sherman, left, speaks to media after a meeting with South Korea's First Vice Foreign Minister Cho Hyun-dong at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
            
              U.S. Deputy Secretary of State Wendy Sherman speaks to media after a meeting with South Korea's First Vice Foreign Minister Cho Hyun-dong at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
            
              South Korea's First Vice Foreign Minister Cho Hyun-dong, right, and U.S. Deputy Secretary of State Wendy Sherman pose for a photo during their meeting at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
            
              South Korea's First Vice Foreign Minister Cho Hyun-dong, right, shakes hands with U.S. Deputy Secretary of State Wendy Sherman during their meeting at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
            
              South Korea's First Vice Foreign Minister Cho Hyun-dong, right, shakes hands with U.S. Deputy Secretary of State Wendy Sherman during their meeting at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
            
              U.S. Deputy Secretary of State Wendy Sherman speaks to media after a meeting with South Korea's First Vice Foreign Minister Cho Hyun-dong at the Foreign Ministry in Seoul Tuesday, June 7, 2022. (Jung Yeon-je /Pool Photo via AP)
US official vows ‘forceful response’ if N. Korea tests nuke