Tuesday marks 100th anniversary of USPS Air Mail service

Posted at 5:48 AM, May 15, 2018
and last updated 2018-05-15 06:58:28-04

Tuesday marks the 100th anniversary of the United States Postal Service's air mail service, and while USPS celebrates its history, we're taking a look at its future.

The postal service has faced challenges for decades, including a major loss in revenue.

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