U.S. detects 'highly unusual' North Korean submarine activity, perhaps testing missile "cold launch" system - CNN https://t.co/f6cuREt0Q1— Anna Fifield (@annafifield) August 1, 2017
U.S. detects 'highly unusual' North Korean submarine activity, perhaps testing missile "cold launch" system - CNN https://t.co/f6cuREt0Q1