United States airmail was a service class of the United States Post Office Department (USPOD) and its successor United States Postal Service (USPS) delivering...

Airmail (or air mail) is a mail transport service branded and sold on the basis of at least one leg of its journey being by air. Airmail items typically...

Reference: Wikimedia Commons has media related to Airmail stamps of the United States. Airmails of the United States 1930 Graf Zeppelin stamps The Official Blackbook...

worker. Though not an official creed or motto of the United States Postal Service, the Postal Service does acknowledge it as an informal motto along with...

The Board of Governors of the United States Postal Service is the governing body of the United States Postal Service (USPS). The board oversees the activities...

The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or simply the Postal Service, is an independent agency of the executive...

The United States Postal Inspection Service (USPIS), or the Postal Inspectors, is the federal law enforcement arm of the United States Postal Service. It...

obsolete. As early as October 1831, the United States Postal Service recognized common abbreviations for states and territories. However, they accepted...

collection of Boeing's textual and photographic materials. United States airmail service "Biography of William E. Boeing" (PDF). Boeing. Schultz, John;...

that started service on April 6, 1926, as an airmail carrier. Formed by Walter Varney, the airline was based in Boise, Idaho, United States. The airline...