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517th Air Defense Artillery Regiment (United States)
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517th may refer to: *517th Air Defense Group, disbanded United States Air Force organization *517th Airlift Squadron (517 AS), part of the 3d Wing at Elmendorf Air Force Base, Alaska *517th Parachute Infantry Regiment (United States) (517th PIR), separate infantry regiment of the United States Army *517th Parachute Regimental Combat Team (517th PRCT), one of the U.S. Army's first elite combat units *517th Strategic Fighter Squadron, inactive United States Air Force unit See also *517 (number) * 517, the year 517 (DXVII) of the Julian calendar *517 BC This article concerns the period 519 BC – 510 BC. Events and trends *519 BC—King Jing of Zhou (Ji Gai), Zhou Jing Wang becomes Monarch, King of the Zhou Dynasty of China. *c. 518 BC—Darius I began construction of Persepolis, Parsa (Persepol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517th Air Defense Group
The 517th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4711th Air Defense Wing at Ethan Allen Air Force Base, Vermont. It was inactivated on 18 August 1955. The group was originally activated as a support unit for a bombardment group at the end of World War II in Italy and then redeployed to the Caribbean, where it supported units redeploying from Europe until 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 14th 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 The group was activated as the 517th Air Service Group in I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517th Airlift Squadron
The 517th Airlift Squadron is an active unit of the United States Air Force, Pacific Air Forces 3d Wing at Joint Base Elmendorf–Richardson, Alaska. It operates Beechcraft C-12 Huron and Boeing C-17 Globemaster III aircraft providing airlift in the Pacific theater. Mission The 517th Airlift Squadron provides airlift operating Boeing C-17 Globemaster III and Beechcraft C-12F Huron aircraft. Supporting worldwide airlift, airdrop, airland requirements while providing airlift for theater deployed forces and resupply of remote Alaskan long-range radar sites in support of United States Pacific Command, North American Aerospace Defense Command, and United States Transportation Command. Provides aircrew qualification training for the U.S. Air Force. History World War II Activated in December 1940 as the 17th Transport Squadron flying Douglas C-47 Skytrain transport aircraft. It trained under I Troop Carrier Command for combat operations. In July 1942, redesignated 17th Troop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517th Parachute Infantry Regiment (United States)
The 517th Parachute Infantry Regiment (517th PIR) was an airborne infantry regiment of the United States Army, formed during World War II. At times the regiment was attached to the 17th Airborne Division, 82nd Airborne Division and later, the 13th Airborne Division. During most of their combat, the unit was an independent combined force of 17th Airborne troops called the 517th Parachute Regimental Combat Team or 517th PRCT /517th PCT /517th RCT. The unit was formed in early 1943 and trained at Camp Toccoa, Georgia. The 517th saw heavy fighting in the Italian Campaign in June 1944, before being transferred to take part in Operation Dragoon in August 1944, in Southern France, which happened to be their first combat jump. Following the liberation of France, the 517th was attached to the 82nd Airborne Division and fought with it in Belgium, during the Battle of the Bulge. Following the end of the war, the 517th was assigned to Fort Bragg, North Carolina, where the unit was inac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517th Parachute Regimental Combat Team
The 517th Parachute Regimental Combat Team (517th PRCT) was an airborne, specifically a parachute infantry, regiment of the United States Army that was formed in March 1943 during World War II, training at Camp Toccoa in the mountains of Northeast Georgia. Although it began as the 517th Parachute Infantry Regiment (517th PIR), an element of the 17th Airborne Division, the 517th PRCT was formed when the 517th Parachute Infantry Regiment was combined with the 460th Parachute Field Artillery Battalion (460th PFAB) and the 596th Parachute Combat Engineer Company. The 517th saw most of its combat (in Italy, Southern France, and the Battle of the Bulge) as an independent unit. At the end of the war, the unit was eventually incorporated into the 13th Airborne Division. Before its dissolution after only thirty-three months, the outfit of 2,500 men endured heavy fighting from Italy through the invasion of Southern France (Operation Dragoon), then the bitter winter in the Ardennes (i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517th Strategic Fighter Squadron
The 517th Strategic Fighter Squadron is an inactive United States Air Force unit. Its last assignment was with the 407th Strategic Fighter Wing at Great Falls Air Force Base, Montana, where it was inactivated on 1 July 1957. The squadron was first activated in March 1943 as the 634th Bombardment Squadron and equipped with light ground attack aircraft. In July 1943, the air echelon of the squadron deployed to the Aleutian Islands to defend against the Japanese attacks there. It returned to the United States the following month and was redesignated the 517th Fighter-Bomber Squadron, while continuing to train for combat with the same mission. It became a Replacement Training Unit, but was disbanded in the spring of 1944 in a general reorganization of Army Air Forces training units. The squadron was reactivated in 1953 as part of Strategic Air Command (SAC), flying escort fighters and a few air reconnaissance aircraft. In 1954, the squadron deployed to Japan and provided ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
517 (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 t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
