AERIAL RECONAISSANCE + AERIAL PHOTOGRAPHY (AIR WARFARE)
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BTAIR OPERATIONS + WAR IN THE AIR (MILITARY OPERATIONS)
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UDC355,203.5
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Descriptor GERLUFTAUFKLÄRUNG + LUFTERKUNDUNG (LUFTKRIEG)
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Descriptor ENGAERIAL RECONAISSANCE + AERIAL PHOTOGRAPHY (AIR WARFARE)
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Descriptor FRERECONNAISSANCE AÉRIENNE (GUERRE AÉRIENNE)
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Variant GERAUFKLÄRUNG/LUFTAUFKLÄRUNG (LUFTKRIEG)
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Variant GERERKUNDUNG, LUFTERKUNDUNG (LUFTKRIEG)
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Variant GERLUFTAUFNAHMEN (LUFTKRIEG)
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Variant GERAUFNAHMEN/LUFTAUFNAHMEN (LUFTKRIEG)
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Variant GERLUFTAUFKLÄRUNG (LUFTKRIEG)
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Variant GERLUFTERKUNDUNG (LUFTKRIEG)
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Variant ENGAERIAL RECONAISSANCE (AIR WARFARE)
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Variant ENGAERIAL PHOTOGRAPHY (AIR WARFARE)
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Variant ENGRECONNAISSANCE/AERIAL RECONNAISSANCE (AIR WARFARE)
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Variant ENGPHOTOGRAPHY/AERIAL PHOTOGRAPHY (AIR WARFARE)
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Variant FREEXPLORATION AÉRIENNE (GUERRE AÉRIENNE)
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Variant FREPHOTOGRAPHIE AÉRIENNE (GUERRE AÉRIENNE)
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RTRECONNAISSANCE + OUTPOST WORK (MILITARY)
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RTRECONNAISSANCE AIRCRAFT + OBSERVATION AIRCRAFT (MILITARY AIRCRAFT)