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Robert Markwardt: new vs. old
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Robert Markwardt: guts look the same
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Robert Markwardt: old
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Robert Markwardt: new
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Robert Markwardt: 06....4 plus mm
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Robert Markwardt: 79....6 plus mm
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Robert Markwardt: 2006 vs. 1979 B-17....compare and contrast
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Robert Markwardt: 1979 B-17
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Robert Markwardt: 2006 B-17