The new diesel-electric attack submarine is expected to be commissioned into the Maritime Self-Defense Force in 2019.

The new super quiet diesel electric attack submarine was handed over to the Japanese navy this week.

The Australian government has allegedly ruled out Japan's sub bid, according to an Australian media report.

Nichi Gou Trident produces a notable first.

The new diesel-electric attack submarine was handed over to the Japan Maritime Self-Defense Force last week.

Is Tokyo showcasing its high-tech submarine to boost its chances to win a major defense contract in Australia?

Tokyo has disclosed additional details of its offer to replace the Royal Australian Navy's Collins-class subs.

The game is on! Japan officially announces that it will bid for a contract to build 12 submarines in Australia.

Tokyo's first arms exhibition in decades illustrates its ambitions to become a global supplier of military hardware.

Despite sharing classified data, the Australian submariner community remains skeptical of the Soryu-class submarines.

Remarks by a retired Japanese Vice Admiral could be a "game changer" in the race for Australia's biggest-ever arms deal.

The chairman of the House Foreign Affairs Committee is visiting Taipei to discuss technical aid for domestic submarines.