Which color has been consistently featured in Delta Air Lines' brand identity since the 1930s, serving as a core element in their various logo iterations over the decades?

The transportation industry has seen numerous rebranding efforts as companies evolve to meet changing consumer expectations and market conditions. Delta Air Lines, one of the world's largest airlines, has undergone significant brand transformations throughout its history. This poll tests your knowledge about a key element of Delta's brand identity that has remained consistent despite other changes in their visual presentation.

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