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FOCUS
The fixed-aperture optical contrast universal spectra (FOCUS) missile was an air-to-surface version of Sidewinder that was designed to guide to light-emitting sources, such as searchlights and headlights.
Source:
D. G. Blanchard "A brief history of Air-Intercept Missile 9 (Sidewinder)"
The fixed-aperture optical contrast universal spectra (FOCUS) missile was an air-to-surface version of Sidewinder that was designed to guide to light-emitting sources, such as searchlights and headlights.
Source:
D. G. Blanchard "A brief history of Air-Intercept Missile 9 (Sidewinder)"