| http://www.w3.org/ns/prov#value | - A reader asked me whether the IRST (infra-red search and track) sensors mounted on many modern fighter aircraft (such as the Eurofighter Typhoon, the Russian Sukhoi Su-27 family, the Swedish Saab Gripen and the US F/A-18E/F Super Hornet and F-35 Lightning II) was of any real utility compared to radar and other sensors.
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