Joseph S. Bermudez, Jr. is an internationally recognized analyst, an award-winning author, and a lecturer on North Korean defense and intelligence affairs and ballistic missile development in developing countries.Ellen Kim is deputy director of the Korea Chair at CSIS, where she is also a senior fellow. She focuses on U.S.-Korea relations, North Korea, and countries' responses to U.S.-China strategic competition in the Indo-Pacific.Victor D. Cha is president of the Geopolitics and Foreign Policy Department and holds the Korea Chair at CSIS. He is also professor of government at Georgetown University.

• List of IllustrationsNote on the Korean TextGlossary of Acronyms and AbbreviationsAcknowledgmentsIntroduction: A Bad Omen Whose Time Has Come1. Early Interest in Sea-Based Ballistic Missiles2. Research, Development, Test, and Production Infrastructure3. The Submarines4. The Missiles5. Nuclear Command and Control, Strategies, and Basing6. Deciphering North Korea's Nuclear DoctrineAppendix A: Reported Missile Characteristics (as of May 2024)Appendix B: Examples of Training Set SentencesAppendix C: Note on Text Analysis ExperimentIndexAbout the AuthorsAbout CSIS

Joseph S. Bermudez, Jr. is an internationally recognized analyst, an award-winning author, and a lecturer on North Korean defense and intelligence affairs and ballistic missile development in developing countries.Ellen Kim is deputy director of the Korea Chair at CSIS, where she is also a senior fellow. She focuses on U.S.-Korea relations, North Korea, and countries' responses to U.S.-China strategic competition in the Indo-Pacific.Victor D. Cha is president of the Geopolitics and Foreign Policy Department and holds the Korea Chair at CSIS. He is also professor of government at Georgetown University.

• List of IllustrationsNote on the Korean TextGlossary of Acronyms and AbbreviationsAcknowledgmentsIntroduction: A Bad Omen Whose Time Has Come1. Early Interest in Sea-Based Ballistic Missiles2. Research, Development, Test, and Production Infrastructure3. The Submarines4. The Missiles5. Nuclear Command and Control, Strategies, and Basing6. Deciphering North Korea's Nuclear DoctrineAppendix A: Reported Missile Characteristics (as of May 2024)Appendix B: Examples of Training Set SentencesAppendix C: Note on Text Analysis ExperimentIndexAbout the AuthorsAbout CSIS

Joseph S. Bermudez, Jr. is an internationally recognized analyst, an award-winning author, and a lecturer on North Korean defense and intelligence affairs and ballistic missile development in developing countries.Ellen Kim is deputy director of the Korea Chair at CSIS, where she is also a senior fellow. She focuses on U.S.-Korea relations, North Korea, and countries' responses to U.S.-China strategic competition in the Indo-Pacific.Victor D. Cha is president of the Geopolitics and Foreign Policy Department and holds the Korea Chair at CSIS. He is also professor of government at Georgetown University.

• List of IllustrationsNote on the Korean TextGlossary of Acronyms and AbbreviationsAcknowledgmentsIntroduction: A Bad Omen Whose Time Has Come1. Early Interest in Sea-Based Ballistic Missiles2. Research, Development, Test, and Production Infrastructure3. The Submarines4. The Missiles5. Nuclear Command and Control, Strategies, and Basing6. Deciphering North Korea's Nuclear DoctrineAppendix A: Reported Missile Characteristics (as of May 2024)Appendix B: Examples of Training Set SentencesAppendix C: Note on Text Analysis ExperimentIndexAbout the AuthorsAbout CSIS