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Turkish Aerospace Industries says that construction of the initial prototype of Turkey’s TF-X next-generation fighter jet has been progressing steadily since the first images of the jet were released last year. This reportedly includes the installation of a more complete nose section that features faceted enclosures for what appears to be a dedicated infrared search and track sensor system, or IRST, right in front of the cockpit, and a multi-purpose electro-optical targeting system, or EOTS, underneath the forward fuselage.