The Optronique Secteur Frontal (OSF) [literally: Frontal Sector Optronics] is a long-range optoelectronics system, developed for the French Dassault Rafale combat aircraft.
It allows target tracking through IRST (infrared search and track) and visual sensors: Visible waveband capability is included to identify targets in situations where visual indentification is required by the rules of engagement.
[2] The benefits in air-to-air scenarios are: This military aviation article is a stub.
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