The Bear-F's reconnaissance value extended beyond its nominal anti-submarine role. Its range and ability to loiter slowly made it a useful way to fill gaps in Soviet satellite coverage and search the Atlantic for moving task groups. The broad Iceland-United Kingdom sector might contain radar coverage without enough fighters to intercept every contact. A Bear that slipped through could pass targeting information to submarines and follow-on strike aircraft, turning an air-surveillance leak into a naval threat.
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Bear-F reconnaissance through the GIUK air screen
Long-range Soviet Bear-F aircraft could exploit gaps in fighter coverage to locate NATO forces and guide submarines or strike aircraft toward them.