IoT is an umbrella term that refers to billions
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Weapons and sensors have made great advances
Deck guns have been omitted and in some cases anti-ship missiles have been used. Torpedoes are capable of speeds of over 50 knots and navigate to their target acoustically using integrated sonar or are controlled by electronic commands transmitted through thread-like wires that follow behind the fast-moving projectile. In addition, many submarines are equipped with cruise missiles or anti-ship missiles for attacking targets on land or at the surface. Submarine sonar for detecting surface ships and other submarines has been significantly improved and the familiar periscope is replaced in modern submarines by the so-called photonic or optronic mast. These are sensor systems that extend to the surface like a periscope from a submarine's sails. Unlike them, however, they transmit optical, infrared, and radio information electronically to the control room without requiring hardware that penetrates the submarine's hull. The masts are controlled in the control room with simple ...
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