A South Korean shipbuilder handed over to the Navy a retrofitted Chang Bogo I-class diesel-electric sub earlier this week.

The South Korean defense ministry has kicked off a bid for the country’s second batch of anti-submarine warfare helicopters.

The estimated cost for the missile sale is $314 million.

The South Korean government has approved the construction of three new guided missile destroyers and three diesel-electric attack submarines.

The first of nine domestically built 3,000-ton diesel-electric air independent propulsion subs was launched on September 14.

The total contract value for the six P-8 Poseidon maritime surveillance aircraft is estimated at $2.1 billion.

The first of nine locally built 3,000-ton diesel-electric attack subs will reportedly be launched next month.

The P-8s will replace South Korea's aging fleet of P-3 Orion maritime surveillance aircraft.

The leaders have reportedly discussed the acquisition of nuclear-powered submarines during their recent summit.

The three navies will conduct a trilateral antisubmarine warfare exercise off the Korean Peninsula April 4-6.

The new ship will be commissioned by the end of 2018.

Seoul will unveil its seventh Type 214 KSS-2 class diesel electric submarine.

Seoul continues to modernize its naval capabilities.