US carrier, S Korea ships launch drills amid North's threat

A US aircraft carrier and its battle group launched drills with South Korean warships off the Korean Peninsula's east coast on Monday in their first such training in five years, a day after North Korea test-fired a short-range ballistic missile in a possible response to the exercise.

North Korea could conduct more tests in the coming days as it views US-South Korean military exercises as a practice to invade the county and often reacts with displays of weapons designed to attack its rivals.

The four days of drills are aimed at demonstrating the allies' “powerful resolve to respond to North Korean provocations” and improve their ability to perform joint naval operations, the South Korean navy said in a statement.

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More than 20 US and South Korean navy ships, including the nuclear-powered aircraft carrier USS Ronald Reagan, a US cruiser and South Korean and US destroyers, were mobilised for the drills, according to the navy statement.

It said US and South Korean fighter jets and helicopters will also take part in the training.

It would be the first such joint drills involving a US aircraft carrier near the peninsula since 2017 when the US sent three aircraft carriers including the Reagan for naval drills with South Korea in response to North Korean nuclear and missile tests.

The allies had since cancelled or downsized some of their regular drills to support now-dormant talks on North Korea's nuclear programme or guard against Covid-19.

The North Korean missile fired on Sunday flew about 600 kilometres at the maximum altitude of 60 kilometres before falling into the waters of the North's east coast, according to South Korean estimates.

Some experts say North Korea might have launched a nuclear-capable, highly manoeuvrable ballistic missile and that its 600-kilometre-flight had enough range to strike a southeastern South Korean port where the Reagan was previously docked.

North Korea has performed a record number of missile tests this year as it steadfastly rebuffs US and South Korean calls to resume nuclear diplomacy.

North Korea has said it won't return to talks unless the United States drops its hostile policies in an apparent reference to US-South Korean military drills and US-led economic sanctions on it.

Earlier this month, North Korea adopted a new law that authorised the preemptive use of nuclear weapons in some situations, a development that showed its increasingly aggressive nuclear doctrine.

Some analysts say North Korea would eventually aim for arms control negotiations with the US to get sanctions relief and other concessions in return for a partial surrender of its nuclear capability.