Check out these 6 retired Boeing 747 jumbo jets that have been
Delta Airlines' last 747 is retired at Arizona airplane boneyard
Long Live the Queen? Thankfully not at Delta Air Lines
From a Thriving Military Base to an Aircraft Boneyard: Phoenix
NASA's flying telescope retires to Tucson
Delta flies hail-damaged NWA Boeing 747 to Arizona boneyard
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Digging in Airplane Graveyards
The last Delta 747 arrival, DTW.
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