| 21. | Total flight time on the lost airframe were barely 20 hours.
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| 22. | The layer that strengthens the foam in turn strengthens the airframe.
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| 23. | All remaining airframes were put into storage at CFD Mountain View.
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| 24. | The airframe meanwhile became a favorite prop for GI souvenir photos.
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| 25. | The USAF ordered two airframes for evaluation, delivered in 2007.
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| 26. | E2 was a static test airframe, and did not fly.
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| 27. | The grounded airframes were either scrapped or used for ground training.
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| 28. | The Soviet Navy selected the tested Kamov Ka-27 airframe.
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| 29. | The entire airframe was welded together, not bolted or riveted.
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| 30. | It is used in evaluating the damage tolerance of airframe fuselages.
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