Soryu submarine
Drawings and information of the nuclear weapon, to be launched by submarines, were visible for several seconds in the televised documentary

Kremlin has confirmed that two Russian television channels
accidentally aired images of a top-secret plan for a nuclear
torpedo. Authorities said NTV and Channel One – both state-
controlled news networks – broadcast images of the
confidential documents as President Vladimir Putin and a top
military officer reviewed them during a meeting in Sochi.
"It's true some secret data got into the shot. Therefore, it was
subsequently deleted. In future we will undoubtedly take
preventive measures so this does not happen again," said
Putin's spokesman, Dmitry Peskov, on Wednesday (11
November).
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The images were filmed on 9 November and aired the
following day, when Putin said: "Russia will take necessary
retaliatory measures to strengthen the potential of our strategic
nuclear forces," according to AFP. Putin also said the country
"would focus on developing new types of nuclear missiles
capable of piercing anti-missile shields".
Russian nuclear torpedo plan
A screenshot of the nuclear torpedo plan

Some documents aired were clearly visible while others
were blurred. One of the documents read: "[The Status-6
torpedoes would target] economically important enemy
facilities in coastal regions."
"Zones of extensive radioactive contamination [would make]
them [enemy zones] unsuitable for military or economic activity
for a long period." Drawings and information of the nuclear
weapon, to be launched by submarines, were visible for several seconds in the televised documentary.