This video explores China’s long struggle to develop a credible nuclear ballistic missile submarine force, beginning with the country’s early 20th-century turmoil and moving through the Cold War divisions that left it technologically isolated.

The US has approved the "attack submarines" and agreed to cooperate in sourcing fuel, according to a fact sheet released by the White House on Thursday detailing discussions of summit talks between South Korean President Lee Jae-myung and US President Donald Trump on October 29,

Australia, South Korea and Japan want to build the vessels, potentially complicating Beijing’s naval deterrence in the region, analysts say.

The US wants South Korea to eventually deploy its newly approved nuclear-powered submarines to help counter China’s rapidly expanding fleet, calling it a responsibility expected of a key ally, according to a top US admiral.

SEOUL, Nov. 14 (Yonhap) -- China's ambassador to South Korea has expressed "concerns" over South Korea's pursuit of a nuclear-powered submarine, saying it is directly related to the international nuclear nonproliferation regime and calling for Seoul's "prudence."

Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental contraptions took to the seas. The modern nuclear-powered submarine represents a huge investment in money,

China reveals the specs for its 14,000-container nuclear cargo ship, powered by an ultra-efficient 200MW thorium molten salt reactor (TMSR).

The Pakistan Navy expects its first Chinese-designed submarine to enter active service next year, the country's top admiral told Chinese state media, bolstering Beijing's bid to counter regional rival India and project power toward the Middle East.

While Russia and the U.S. are still abiding by some arms-controls limits, such as the New Start treaty that expires in February, China, unconstrained by any commitments, is quietly but rapidly leaping ahead. According to American estimates, Beijing will reach rough parity with the U.S. in deployed nuclear warheads by the mid-2030s.