submarines Archive

artificial intelligenceUS Navy Buys Four Large Robotic Submarine Drones

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The US Navy will pay Boeing $43-million to buy four Orca Extra Large Unmanned Undersea Vehicles (Robotic submarine drones or XLUUVs). Boeing based its winning Orca XLUUV design on its Echo Voyager unmanned diesel-electric submersible. The 51-foot-long sub will launch …

navyChina Has Radio Antenna to Talk to Submarines and It Covers Five Times Area of NY City

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China has built a giant radio antenna that uses five times the area of New York City. It will be used to communicate with submarines. The Wireless Electromagnetic Method (WEM) project took 13 years and will emit extremely low-frequency radio …

chinaSatellite photos show China is building 5 more nuclear submarines

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Planet Lab satellite photos reveal that two of China’s four JIN (or 094)-class subs are undergoing maintenance or repairs at the Bohai shipyard. Three submarines are being built at Longpo and two subs are being built at the Bohai shipyard. …

militaryNext US Navy submarine has a big welding flaw and incompetent contractors

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The US Navy is spending $128 billion to build twelve Columbia-class nuclear missile submarines. A costly mistake on ballistic missile tubes almost passed undetected. Contractor BWX discovered welding problems and notified primary builder Electric Boat. This led to a halt …

chinaChina will build more nuclear weapons for stronger deterrence

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China has a policy of striking back with nuclear weapons if they are hit first. Chinese experts have started to worry that this second-strike credibility is eroding. They believe China needs more and better nuclear weapons to show that it …

militaryUS Navy returning to expensive Coldwar Seawolf-like sub hunters

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The US Navy’s next SSN(X) fast attack submarine will focus on hunting Chinese and Russian submarines. The next-generation attack submarine will be faster, stealthier and have more torpedoes than the Virginia class. They will be similar to the Seawolf class …

artificial intelligencePossible game changer in detection of submarines

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China will try to use lasers, microwave radar and a lot of computation to detect submarines down to 500-meter depth. Experiments carried out by the United States and former Soviet Union achieved maximum detection depths of less than 100 meters, …

indiaIndia will be number three in world military spending

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The US defence budget is about three times as large as China’s. China’s military spending was three times more than India in 2017. China percentage of GDP spent on defence was less than India’s. The Stockholm International Peace Research Institute …

chinaIn Cold War the USSR outnumbered US subs two to one but that was okay

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The US currently cannot match the number of submarines of all its potential enemies. China has 68 to 73 and will likely build to 80-90 submarines. This “submarine gap” is being used as a justification to spend tens of billions …

chinaChina also making large low-cost robotic submarine drones

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China is developing large, smart and relatively low-cost unmanned submarines according to scientists involved in artificial intelligence (AI) projects. These robotic submarines are expected to be deployed in the early 2020s. The AI-powered subs are expected to be vastly larger …