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View more articles by Chad O'Carroll
Chad O'Carroll has written on North Korea since 2010 and writes between London and Seoul.
The United States and South Korea agreed to deploy a Terminal High-Altitude Area Defense (THAAD) battery to be operated by U.S. Forces Korea (USKF), it was announced on Friday.
The decision, which drew immediate criticism from China, was described as coming in response to North Korea's increasing threat, characterized by its recent "nuclear test and multiple ballistic missile tests.