519th (Kent And Sussex) Coast Regiment, Royal Artillery
519th may refer to: * 519th Air Defense Group, disbanded United States Air Force organization * 519th Fighter-Interceptor Squadron, inactive United States Air Force unit * 519th Military Intelligence Battalion (United States), unit of the United States Army See also * 519 (number) * 519, the year 519 (DXIX) of the Julian calendar *519 BC The year 519 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 235 '' Ab urbe condita''. The denomination 519 BC for this year has been used since the early medieval period, when the Anno Domini calendar ...

519th Air Defense Group
The 519th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4709th Air Defense Wing, stationed at Suffolk County Air Force Base, New York, where it was inactivated in 1955. The group was originally activated as a support unit for the 485th Bombardment Group at the end of World War II in It/aly and then redeployed to the United States where it was inactivated in 1945. The group was activated once again in 1953, when ADC established it as the headquarters for a dispersed fighter-interceptor squadron and the medical, maintenance, and administrative squadrons supporting it. It was replaced in 1955 when ADC transferred its mission, equipment, and personnel to the 52d Fighter Group in a project that replaced air defense groups commanding fighter squadrons with fighter groups with distinguished records during World War II. History World War II and Post-War The group was activated as the 519th Air Service Group in Italy shortly be ...
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519th Fighter-Interceptor Squadron
The 519th Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 521st Air Defense Group at Sioux City Municipal Airport, Iowa, where it was inactivated on 18 August 1955. The squadron was first activated during World War II as the 637th Bombardment Squadron, a dive bomber unit, but was disbanded before participating in combat in a general reorganization of Army Air Forces training units. It was reconstituted during the Cold War as a fighter interceptor unit supporting the air defense of the United States. History World War II The squadron was activated in April 1943 as the 637th Bombardment Squadron at Key Field, Mississippi, as one of the original squadrons of the 408th Bombardment Group.Maurer, ''Combat Squadrons'', pp. 623–624Maurer, ''Combat Units'', p. 294 In August, along with other Army Air Forces (AAF) single engine dive bomber units, it became a fighter-bomber unit as the 519th Fighter-Bomber Squadron. The squa ...
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519th Military Intelligence Battalion (United States)
The 519th Military Intelligence Battalion is a unit of the United States Army.mirror The battalion was first created in 1948. The battalion served in the Vietnam War; the Invasion of Grenada; the Invasion of Panama; Desert Storm; the Invasion of Afghanistan; and the Invasion of Iraq. Additionally, Company A served in the Korean War prior to the formation of the battalion as the 523d Military Intelligence Company. History The 519th Military Intelligence Battalion was activated on 15 October 1948 at Fort Riley, Kansas. Elements of the battalion served in the Republic of Korea from 1951 until 1954, participating in seven campaigns and earning one Meritorious Unit Commendation and two Republic of Korea Presidential Unit Citations. The battalion was inactivated in 1954. On 25 January 1958, the 519th Military Intelligence (MI) Battalion (BN) (Airborne (ABN)) was reactivated at Fort Bragg, North Carolina. In May 1965, the 519th MI BN (ABN) deployed to the Dominican Republic for Operati ...
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519 (number)
500 (five hundred) is the natural number following 499 and preceding 501. Mathematical properties 500 = 22 × 53. It is an Achilles number and an Harshad number, meaning it is divisible by the sum of its digits. It is the number of planar partitions of 10. Other fields Five hundred is also *the number that many NASCAR races often use at the end of their race names (e.g., Daytona 500), to denote the length of the race (in miles, kilometers or laps). *the longest advertised distance (in miles) of the IndyCar Series and its premier race, the Indianapolis 500. Slang names * Monkey (UK slang for £500; USA slang for $500) Integers from 501 to 599 500s 501 501 = 3 × 167. It is: * the sum of the first 18 primes (a term of the sequence ). * palindromic in bases 9 (6169) and 20 (15120). 502 * 502 = 2 × 251 * vertically symmetric number 503 503 is: * a prime number. * a safe prime. * the sum of three consecutive primes (163 + 167 + 173). * the sum of the ...
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