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Suburban Aero Club of Chicago: JohnBoren_E-Upstart-1
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Suburban Aero Club of Chicago: JohnBoren_E-Upstart-2
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Suburban Aero Club of Chicago: JohnBoren_E-Upstart-3
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Suburban Aero Club of Chicago: JohnYork_Protender-2
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Suburban Aero Club of Chicago: JohnYork_Protender-1