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489th Engineer Battalion (United States)
489th may refer to: * 489th Bombardment Group, inactive United States Army Air Force unit * 489th Bombardment Squadron, active United States Air Force unit See also * 489 (number) * 489, the year 489 (CDLXXXIX) of the Julian calendar * 489 BC {{mil-unit-dis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
489th Bombardment Group
The 489th Bomb Group is a unit of the United States Air Force. It is assigned to the 307th Bomb Wing, and is stationed at Dyess Air Force Base, Texas. The group is a reserve associate unit of the 7th Bomb Wing at Dyess. During World War II, the 489th Bombardment Group was a Consolidated B-24 Liberator unit. After training in the United States, it moved to England as an element of Eighth Air Force, stationed at RAF Halesworth, England. Lieutenant Colonel Leon Vance of the group was awarded the Medal of Honor for his bravery and actions on the day before D-Day over Wimereux, France. It was the only Medal of Honor awarded to a B-24 crewman for a mission flown from England.Freeman, p. 261Enid Air Force Base, Oklahoma was renamed Vance Air Force Base in memory of Col. Vance on 9 July 1949. Mueller, p. 567. The group returned to the United States in November 1944 and converted to a Boeing B-29 Superfortress group, but the war ended before the group could deploy to the Pacific. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
489th Bombardment Squadron
489th may refer to: *489th Bombardment Group The 489th Bomb Group is a unit of the United States Air Force. It is assigned to the 307th Bomb Wing, and is stationed at Dyess Air Force Base, Texas. The group is a reserve associate unit of the 7th Bomb Wing at Dyess. During World War II, t ..., inactive United States Army Air Force unit * 489th Bombardment Squadron, active United States Air Force unit See also * 489 (number) * 489, the year 489 (CDLXXXIX) of the Julian calendar * 489 BC {{mil-unit-dis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
489 (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 whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
