457th may refer to:
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457th Air Expeditionary Group
The United States Air Force's 457th Air Expeditionary Group is a provisional United States Air Force unit assigned to United States Air Forces in Europe to activate or inactivate as needed. It has been activated to support Operation Iraqi Freed ...
, provisional United States Air Force unit assigned to the Air Combat Command
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457th Airlift Squadron (457 AS), part of the 375th Airlift Wing at Andrews Air Force Base, Maryland
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457th Fighter Squadron, United States Air Force Reserve Command (AFRC) unit, assigned to the 301st Operations Group
See also
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457 (number)
400 (four hundred) is the natural number following 399 and preceding 401.
Mathematical properties
400 is the square of 20. 400 is the sum of the powers of 7 from 0 to 3, thus making it a repdigit in base 7 (1111).
A circle is divided into ...
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457 (disambiguation) 457 may refer to:
*The year AD 457 in the Western calendar
*The 457 (number), number 457
*The 457 plan, a retirement plan available to government and nonprofit employees in the United States similar to the 401(k)
*The 457 visa, the most commonly use ...
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457
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Year 457 ( CDLVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantinus and Rufus (or, less frequently, year 1210 ...
, the year 457 (CDLVII) of the Julian calendar
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457 BC
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