Unique
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Prototype_007, Aircraft Boneyard, Tucson, AZ, 2007/2025 -
Prototype_002, Hofn, Iceland, 2006/2025
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Prototype_005 (Zion National Park, UT), 2005/2025
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Prototype_009, Tucson, AZ, 2005/2025
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Prototype_001, Tucson, AZ, 2004/2025
