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gptkbp:instance_of
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gptkb:aircraft
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gptkbp:aircraft_operated
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gptkb:aircraft
strategic bombing missions
detailed specifications available
multiple variants developed
four-engine heavy bomber
easily recognizable design
many notable pilots served
remains a symbol of American air power
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gptkbp:allows
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vulnerable to enemy fighters
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gptkbp:armament
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13 .50 caliber machine guns
multiple gun positions
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gptkbp:bomb_load
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up to 8,000 lb
highly accurate bombing capabilities
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gptkbp:casualties
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a few dozen remain
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gptkbp:crew
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gptkb:10
extensive training required
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gptkbp:debut_year
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gptkb:1942
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gptkbp:design
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strategic bombing
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gptkbp:engine
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gptkb:Wright_R-1820_Cyclone
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gptkbp:engine_type
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gptkb:engine
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gptkbp:features
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distinctive boxy shape
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gptkbp:fighting_style
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highly effective in daylight bombing raids
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gptkbp:filmography
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gptkb:European_Theater_of_Operations
gptkb:World_War_II
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gptkbp:first_flight
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1938
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gptkbp:has_exhibition
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various aviation museums
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gptkbp:height
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19 ft 1 in
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gptkbp:historical_role
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key role in Allied victory
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gptkbp:historical_significance
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iconic World War II bomber
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https://www.w3.org/2000/01/rdf-schema#label
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B-17 G-DL
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gptkbp:is_popular_in
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featured in films and documentaries
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gptkbp:is_used_by
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gptkb:aircraft
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gptkbp:length
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74 ft 4 in
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gptkbp:manufacturer
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gptkb:aircraft
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gptkbp:max_speed
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287 mph
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gptkbp:military_branch
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served in multiple conflicts
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gptkbp:military_technology
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some used for civilian purposes
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gptkbp:mission
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gptkb:Doolittle_Raid
Bombing of Germany
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gptkbp:nickname
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gptkb:Flying_Fortress
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gptkbp:number_built
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over 12,700
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gptkbp:operational_history
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served in multiple theaters
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gptkbp:production_years
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1941-1945
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gptkbp:range
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3,750 miles
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gptkbp:retired
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1960s
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gptkbp:retirement_year
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advancements in aircraft technology
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gptkbp:role
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gptkb:aircraft
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gptkbp:seating_capacity
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4,800 lb
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gptkbp:service_ceiling
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35,600 ft
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gptkbp:services
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gptkb:1942
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gptkbp:squadrons
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gptkb:Memphis_Belle
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gptkbp:successor
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gptkb:aircraft
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gptkbp:variant
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gptkb:B-17_G
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gptkbp:wingspan
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103 ft 9 in
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gptkbp:bfsParent
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gptkb:B-17_G
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gptkbp:bfsLayer
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4
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