| 11. | It was probably the shortest " air mail " route ever.
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| 12. | Then, in 1918, regular air mail service to Grant Park began.
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| 13. | Throughout this time, Upton Airport received the first air mail service in Canada.
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| 14. | In prior years, airspace has been limited to military and air mail services.
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| 15. | France issued an air mail stamp in her honour on 29 June 2004.
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| 16. | Pennsylvania Airlines "'after the Air Mail scandal of the early 1930s.
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| 17. | SlideToPlay wrote " Air Mail is a delightful flight sim with broad appeal.
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| 18. | By 1920, the Air Mail service had delivered 49 million letters.
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| 19. | Domestic Air Mail, as a class of service, officially ended May 1, 1977.
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| 20. | The event began the investigation known as the Air Mail scandal.
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