![]() Radiation-absorbent material was also tested and made to reduce or block radar signals that reflect off the surfaces of aircraft. Designers turned to developing a specific shape for planes that tended to reduce detection by redirecting electromagnetic radiation waves from radars. It corresponds to military camouflage for these parts of the electromagnetic spectrum (i.e., multi-spectral camouflage).ĭevelopment of modern stealth technologies in the United States began in 1958, where earlier attempts to prevent radar tracking of its U-2 spy planes during the Cold War by the Soviet Union had been unsuccessful. Stealth technology, also termed low observable technology ( LO technology), is a sub-discipline of military tactics and passive and active electronic countermeasures, which covers a range of methods used to make personnel, aircraft, ships, submarines, missiles, satellites, and ground vehicles less visible (ideally invisible) to radar, infrared, sonar and other detection methods. ![]() Military technology to make personnel and material less visibleį-117 stealth aircraft PL-01 stealth tank Surcouf French stealth frigate
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