457th Bombardment Group
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457th Bombardment Group
457th may refer to: *457th Air Expeditionary Group, provisional United States Air Force unit assigned to the Air Combat Command *457th Airlift Squadron (457 AS), part of the 375th Airlift Wing at Andrews Air Force Base, Maryland *457th Fighter Squadron, United States Air Force Reserve Command (AFRC) unit, assigned to the 301st Operations Group See also

*457 (number) *457 (other) *457, the year 457 (CDLVII) of the Julian calendar *457 BC {{mil-unit-dis ...
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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 Freedom, joint operations with the Tanzania Air Force Command and for Operation Odyssey Dawn. The group (military aviation unit), group was activated during World War II as the 457th Bombardment Group. It flew Boeing B-17 Flying Fortress from England, entering the strategic bombing during World War II#US bombing in Europe, strategic bombing campaign during Big Week. It flew 7,086 sorties before returning to the United States for inactivation in the summer of 1945. It was again active from 1993 to 1994 as the 457th Operations Group, controlling Air Mobility Command's air refueling operations at Altus Air Force Base, Oklahoma. The 457th was converted to provisional status in 2001. History World War II Training in the United States The 457th Bo ...
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457th Airlift Squadron
The 457th Airlift Squadron (457 AS) was part of the 375th Air Mobility Wing and was stationed at Andrews Air Force Base, Maryland. It operated C-21 aircraft providing executive airlift. History Established in mid-1942 under II Bomber Command as a B-17 Flying Fortress Replacement Training Unit (RTU). Operated until March 1944 with the end of Heavy Bomber training. B-29 Superfortress operations against Japan Re-designated on 1 April 1944 as a B-29 Superfortress Very Heavy bombardment squadron. When training was completed moved to North Field Guam in the Mariana Islands of the Central Pacific Area in January 1945 and assigned to XXI Bomber Command, Twentieth Air Force. Its mission was the strategic bombardment of the Japanese Home Islands and the destruction of its war-making capability. Flew "shakedown" missions against Japanese targets on Moen Island, Truk, and other points in the Carolines and Marianas. The squadron began combat missions over Japan on 25 February 194 ...
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457th Fighter Squadron
The 457th Fighter Squadron is a United States Air Force Reserve Command unit, assigned to the 301st Operations Group, 301st Fighter Wing at Naval Air Station Joint Reserve Base Fort Worth, Texas. The squadron flies the Lockheed-16 Fighting Falcon. If mobilized, the Wing is gained by the Air Combat Command. The squadron was first activated in 1944 as a long range fighter unit. It deployed to Iwo Jima in the spring of 1945 and engaged in combat until V-J Day, earning a Distinguished Unit Citation. It returned to the United States in December 1945 and was inactivated. The squadron was again activated in 1953 as the 457th Strategic Fighter Squadron. In 1957, it was transferred from Strategic Air Command to Tactical Air Command as the 467th Fighter-Day Squadron. The squadron was inactivated in April 1959. It began its current active period in July 1972, when the regular Air Force transferred three squadrons of Republic F-105 Thunderchiefs to the reserves. Mission The 457th ...
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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 400 grads, which is equal to 360 degrees and 2π radians. (Degrees and radians are the SI accepted units). 400 is a self number in base 10, since there is no integer that added to the sum of its own digits results in 400. On the other hand, 400 is divisible by the sum of its own base 10 digits, making it a Harshad number. Other fields Four hundred is also * The Four Hundred (oligarchy) of ancient Athens. * An HTTP status code for a bad client request. * The Four Hundred (sometimes The Four Hundred Club) a phrase meaning the wealthiest, most famous, or most powerful social group (see, e.g., Ward McAllister), leading to the generation of such lists as the Forbes 400. * The Atari 400 home computer. * A former limited stop bus route ...
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457 (other)
457 may refer to: *The year AD 457 in the Western calendar *The 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 used program for employers to sponsor overseas workers to work in Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ... on a temporary basis. *The Smith & Wesson Model 457, a pistol. {{numberdis ...
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