The communal chatter of snapping shrimp colonies on the ocean floor created enough white noise that the U.S. Navy successfully hid submarines near them during WWII, avoiding detection by underwater Japanese hydrophones. bbc.com/earth/story/20160…
In 2009 a UK and French nuclear ballistic submarines collided with each other as neither of them knew the other sub was nearby. They were submerged and running silent but were moving slowly enough that though the ships were damaged, there were no injuries nor radioactive releases. en.wikipedia.org/wiki/HMS…
Russia tried to pay for New Zealand butter with a nuclear submarine theguardian.com/world/201…
The Disney Bomb, inspired in 1943 by the release of Disney's "Victory Through Air Power", could penetrate 14 feet of solid concrete. One Disney Bomb blasted through a submarine pen's concrete reinforced roof, 3 feet of solid concrete flooring, stopped only by the sandy bedrock beneath. en.wikipedia.org/wiki/Dis…
Typhoon class submarines have a swimming pool and a sauna on board along with other luxury features like a full gym and wood paneled walls. technology.org/2019/01/31…
In 1945, the German submarine U-1206 was sunk after a toilet malfunctioned, resulting in seawater flooding into the hull, which when coming into contact with a battery, created chlorine gas, forcing the submarine to resurface. At the surface, it was discovered and sunk by Allied Forces. en.wikipedia.org/wiki/Ger…
Today I learned about the 'Glomar response' that refers to a response to a request for information with 'can neither confirm nor deny', was created by the CIA in reaction to media inquiries about a covert agency program, which created a salvage vessel named the Glomar Explorer to recover a Soviet submarine. en.wikipedia.org/wiki/Glo…
In September 1978, a paint scraper worth 15 cents was dropped into the torpedo launcher of the US nuclear submarine USS Swordfish, jamming the loading piston in its cylinder. When divers failed to free the piston, the sub had to be drydocked and repaired at a staggering cost of 171,000$ . en.wikipedia.org/wiki/USS…
The world's first combat submarine (1775) used bioluminescent fungi ("foxfire") to illuminate the navigation instruments. history.navy.mil/research…
Cribbage was a favorite game of submarine crews during WW2, and the cribbage board once owned by Admiral Dick O’Kane has been handed down to the oldest submarine in the Pacific fleet for the last 75 years. dvidshub.net/news/351195/…
2 hours before the Japanese attack on Pearl Harbor, the USS Ward identified and destroyed a Japanese mini-sub attempting to pass through the anti-submarine nets at Pearl Harbor. These were the first American shots fired during WW2, and removed America's neutrality in the war. en.wikipedia.org/wiki/USS…
A Blimp engaged a German Submarine off the coast of Florida during WW2 resulting in the Blimp being shot down and a crew man being killed by a shark while waiting for rescue. en.wikipedia.org/wiki/K-c…
Bechevinka, an abandoned Soviet submarine base in Kamchatka, is now a ghost town that attracts tourists en.wikipedia.org/wiki/Bec…
Project 670A, a Russian *nuclear* submarine, sank and was raised. It sunk AGAIN. Leading to the imprisonment of the submarine commander. fas.org/nuke/guide/russia…
In 1959 the U.S. Navy submarine USS Barbero used a nuclear capable SSM-N-8 "Regulus" cruise missile to deliver mail en.wikipedia.org/wiki/Roc…
In 1913 the inventor of the Diesel engine (Rudolf Diesel) mysteriously died while travelling from Belgium to the UK to meet with the British navy about installing his engines on their submarines. His body was found 11 days later floating in the sea. It’s still unknown if he was murdered. history.com/.amp/this-day…
Submarines dispose of trash using specially perforated metal cylinders to ensure the refuse sinks noiselessly to the bottom of the ocean. technology.org/2019/02/02…
An English submarine on a combat patrol in WWII accepted a Russian reindeer as a gift. The reindeer spent six weeks at sea, slept under the captain's bed, and got fat off of condensed milk. It then spent the rest of its life in an English zoo. news.bbc.co.uk/local/hamp…
In WWII there was a Nazi sailor who flushed his toilet incorrectly, causing his submarine to flood with seawater. The sub was forced to surface in view of the British who then attacked, resulting in the vessel's destruction, 4 Nazi deaths, and 46 Nazis captured en.wikipedia.org/wiki/Ger…
When Sean Lennon, the son of John, was little, he didn't know about The Beatles because his parents never played Beatles records at home. When Sean saw Yellow Submarine at his friend's house, his dad had to explain why there was a cartoon version of him in the movie. ultimateclassicrock.com/s…
In 1968 4 naval submarines from 4 different countries all mysteriously sank underwater, 1 of them wasn't even found until 2019 en.wikipedia.org/wiki/Fre…
Today I learned of the time a North Korean espionage submarine was literally caught in a South Korean fishing net. As the South Korean navy was towing it to port, the sub sank. When salvaged, of the 9 member crew, 5 were found executed and 4 had committed suicide. nationalinterest.org/blog…
The smallest nuclear submarine was the unique NR-1, which was 45 meters long and had a 13-person crew. It could remain underwater for 25 days, had no showers, and the crew burned chlorate candles to produce oxygen. en.wikipedia.org/wiki/Ame…
Today I learned of submarine USS Thresher. On 10 April 1963, Thresher sank during deep-diving tests about 350 km (220 mi) east of Boston, Massachusetts, killing all 129 crew and shipyard personnel aboard. It is the second-deadliest submarine incident on record. en.wikipedia.org/wiki/USS…
Because the UK Royal Navy's Astute class nuclear powered submarines can purify their own air and water and run on nuclear fuel, that the endurance is only limited to 90 days due to breakfast storage capacity for 18,000 sausages and 4200 Weetabix en.wikipedia.org/wiki/Ast…
Today I learned about Chuuk Lagoon and Operation Hailstone where, in 1944, the US Navy sank over 40 Japanese ships and destroyed more than 250 aircraft. It was described as "Japan's equivalent of Pearl Harbor". One submarine, Shinohara, which had taken part in Pearl Harbor, sank while trying to dive for cover. en.wikipedia.org/wiki/Chu…
Today I learned, submarine sonar is no a β€œping” like movies and games, but actually EXTREMELY loud and can kill people and sea life intechopen.com/books/sona…
During WW2, the United States Air Force conducted strategic bombing on German ball bearing factories. This was believed to reduce the production of machine guns, tanks, planes, artillery, and submarines since they relied heavily on these parts. en.wikipedia.org/wiki/Sec…
A Russian nuclear submarine had its electricity cut by an electricity company due to unpaid bills. The submarine's cooling system ceased to function and the reactor came close to meltdown news.bbc.co.uk/2/hi/europ…
In 1942, German sub U-68 torpedoed the 8,600-ton British freighter Surrey in the Caribbean Sea. Unbeknownst to the submarine crew, the Surrey carried tons of dynamite in the cargo which detonated. The shock wave lifted U-68 out of the water as if she had suffered a torpedo hit herself. en.wikipedia.org/wiki/Ger…
Today I learned of the "May Incident" during WW2 Congressman Andrew J. May revealed highly confidential information that US submarines were surviving Japanese depth charges because they were exploding at a too shallow depth. This leak later led to the deaths of 800 crewmen and 10 submarines en.wikipedia.org/wiki/And…
Today I learned of the 18 British K-class submarines built, none were lost through enemy action, but 6 sank, with significant loss of life, in accidents. When their design had been proposed, 1 admiral had said 'the most fatal error imaginable would be to put steam engines in submarines.' en.wikipedia.org/wiki/Bri…
Early in WWII, German submarine torpedoes had an extremely high failure rate due to faulty design (Torpedokrise), which only became workable after Germans captured an intact British torpedo on HMS Seal and copied the detonator. digitalcommons.georgiasou…
As of 2019, the United States Coast Guard reported that it captures only about 11% of narco-submarine vessels en.wikipedia.org/wiki/Nar…
In the last two decades, around 10 US aircraft carriers have been "sunk" by diesel electric submarines in war games. nation.time.com/2012/12/0…
Fishing vessels off the west coast occasionally snag submarines, sometimes dragging the fishing boats down. archive.seattletimes.com/…
In WWII, weather reports were censored to prevent enemy submarines from learning about conditions. A football game in Chicago was so covered in fog that the radio announcer couldn't see the field, but afterwards he was officially thanked for never using the word "fog" or mentioning the weather. wikipedia.org/wiki/Office…
The German submarine U-1206 flooded as a result of improper toilet operation. en.wikipedia.org/wiki/Ger…
The Mid-Atlantic Gap during WW2 was the section of ocean between England and North America where coastal anti-submarine aircraft couldn't effectively patrol. The gap was eventually closed when VLR Liberators came into service. en.wikipedia.org/wiki/Mid…
In March 1984, the USS Kitty Hawk collided with a Soviet Victor-class submarine. A red submarine was painted on her island near the bridge but was ordered removed upon return to home port North Island San Diego, CA. en.wikipedia.org/wiki/USS…
Spain's newest submarine was 75+ tons heavier than expected because someone put a decimal point in the wrong place. It could go down, but might not come up again. popularmechanics.com/mili…
Spain’s S-80 submarine program designed subs that were 70 tonnes too heavy, and likely sink when submerged. Cost overruns to fix it are expected to reach $9 billion. The problem was traced back to an engineer misplacing a decimal point, and had been called the most expensive math error ever. o.canada.com/news/spain-b…
A single submarine can launch a total of 91,200 kilotons of destruction in 192 warheads; that's 5700x Hiroshima and ~41000x the recent Beirut explosion nuclear-news.net/2019/05/…
In 1951, Natalie Carbone Mangini became the first female scientist at Westinghouse. They meant to hire a man but they misread her resume and gave her an interview when she showed up. As a radiochemist, she worked on the world's first full-scale atomic reactor and the first nuclear submarine. vimeo.com/230296377
In 2005 war games, a Swedish submarine called HSMS Gotland was able to sneak through the sonar defenses of the US Navy Aircraft Carrier Ronald Reagan and its entire accompanying group, and (virtually)sank the US Aircraft carrier on its own and still got away without getting detected. nationalinterest.org/blog…
Modern nuclear submarines are so well cloaked that in 2009, two French and British nuclear ballistic missle subs collided in the atlantic ocean by pure chance. Moving very slowly, they were't able to detect each other just feet apart. en.wikipedia.org/wiki/HMS…
The Beatles, John, Paul, Ringo and George do not voice themselves in the Yellow Submarine movie as they were too busy. grunge.com/232265/why-the…
There is 'Windows for submarinesβ„’', and it's still being used mspoweruser.com/uks-nucle…
WWII Submarine Captain John Philip Cromwell stoically went down with his stricken sub Sculpin rather than allow himself to be captured by the Japanese. Cpt Cromwell had knowledge of top secret highly sensitive Allied war plans that the enemy may have extracted from him through drugs or torture, en.wikipedia.org/wiki/Joh…
In 2018 the US Navy started replacing $38,000 submarine periscope joysticks with $30 Xbox 360 controllers engadget.com/2018/03/18/u…

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