The Kremlin refuses to reveal the full story of a fire that killed 14 officers on what was reportedly a nuclear-powered mini-submarine.
Russia says 14 sailors are killed when a fire broke out in a submersible research vessel in the country’s worst naval incident in more than a decade.
The Pasopati in Surabaya and Ouessant in Melaka are now submarine museums that many will get a kick out of visiting.
A Pakistan naval spokesman said that the submarine was not targeted in accordance with Islamabad's policy of maintaining the peace.
The 600-tonne underwater vessel is equipped with torpedoes and naval mines in addition to cruise missiles, and can operate more than 200m below sea level for up to 35 days.
The contract for 12 attack-class submarines has been years in the making.
About 3,200 troops from China have joined about 300,000 Russian troops for a week of war games in Siberia and the Far East.
The new submarine is fitted with six vertical launch tubes and features indigenous sonar and combat management systems.
The Seabed Constructor ship, used to search for flight MH370, will begin a new search for the missing Argentine submarine that disappeared last year.
The remaining boys and their soccer coach were saved from the Tham Luang Cave by divers and volunteers on Tuesday.
American space entrepreneur Elon Musk tweeted that he was in Thailand on Tuesday with a prototype mini-sub, at the flooded cave where five members of a youth football team remained trapped.
Defence Minister Mohamad Sabu has said the Cabinet will discuss details of the task force.
Madsen has admitted to dismembering Wall's body and throwing it overboard but denies murdering her aboard the sub where she went to interview him on August 10, 2017.
Japanese Minister of Defense Itsunori Onodera said that China's actions violated international laws.
HMAS AE1 had originally disappeared in 1914 during World War One.
After days of false hopes, some of the relatives said the navy had retained information about the sub, and had lied to them over the past week.
Argentina's navy is investigating an unusual noise with an unknown source that was detected in the South Atlantic.
Noises detected at sea have been confirmed as not being from a missing Argentine submarine.
In earlier police questioning, the 46-year-old said she had died in an accident when a heavy submarine hatch fell on her head, but he has now changed his story to say she died of carbon monoxide poisoning
Danish police are still investigating how Kim Wall died on August 10 while on board an inventor's homemade submarine.
According to defence magazine Jane's 360, the Chinese vessel docked at the Royal Malaysian Navy's submarine base in Teluk Sepanggar, Sabah, between Sept 8 and 11.
Activity on a SINPO-class experimental ballistic missile submarine at the Mayang-do navy shipyard and submarine base suggests "that the North may be preparing for a new series of 'at sea' test launches.
French magistrate will have final say if Abdul Razak Baginda is to face trial over alleged corruption linked to Malaysia's purchase of Scorpene submarines in 2002.
Suaram chief Sevan Doraisamy says Razak Baginda should give his full cooperation on the matter.
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