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Allan Portergill Photography: Boeing Apache
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Allan Portergill Photography: Westland Sea King HC4
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Allan Portergill Photography: Trio of helicopters (Merlin, Sea King and Agusta-Westland Wildcat)
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Allan Portergill Photography: Boeing Apache "Gunship 1"
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Allan Portergill Photography: Westland Lynx ZD281
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Allan Portergill Photography: ZZ515 Agusta-Westland Wildcat HMA2
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Allan Portergill Photography: Mil-Mi24 "Hind"
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Allan Portergill Photography: Mil-Mi24 "Hind"
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Allan Portergill Photography: Italian Air Force (Aeronautica Militare) Agusta Westland HH101A
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Allan Portergill Photography: Westland Sea King HC4
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Allan Portergill Photography: Boeing Chinook
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Allan Portergill Photography: RAF Boeing Chinook Aircraft HC4
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Allan Portergill Photography: Bell "Huey" G-HUEY AH-1H AE-413