Airmail (or air mail) is mail that is transported by aircraft. It typically arrives more quickly than surface mail, and usually costs more to send. Airmail may be the only option for sending mail to some destinations, such as overseas, if the mail cannot wait the time it would take to arrive by ship, sometimes weeks. In June 2006 the United States Postal Service formally trademarked Air Mail (two words with capital first letters) along with Pony Express. On 14 May 2007, Air Mail was incorporated into the classification First Class Mail International.

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