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Norm Walker, docent at the Historical Aviation Memorial Museum, laughs as he is interviewed at the museum in Tyler, Texas, on Tuesday, May 16, 2017. The HAMM staff works to preserve the history of aviation and will be sharing the knowledge during an aviation camp June 27 through July 1 for children 12 to 15 years old. (Chelsea Purgahn/Tyler Morning Telegraph)

Norm Walker, docent at the Historical Aviation Memorial Museum, laughs as he is interviewed at the museum in Tyler, Texas, on Tuesday, May 16, 2017. The HAMM staff works to preserve the history of aviation and will be sharing the knowledge during an aviation camp June 27 through July 1 for children 12 to 15 years old. (Chelsea Purgahn/Tyler Morning Telegraph)

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