398th Infantry Regiment (United States)
398th may refer to: * 398th Air Expeditionary Group, provisional United States Air Force unit assigned to the United States Air Forces in Europe * 398th Bombardment Squadron, inactive United States Air Force unit last assigned with the 92d Operations Group at Fairchild Air Force Base, Washington * 398th Fighter-Interceptor Squadron, inactive United States Air Force unit, last assigned to the Air Defense Command stationed at Hamilton AFB, California See also * 398 (number) * 398, the year 398 (CCCXCVIII) of the Julian calendar *398 BC __NOTOC__ Year 398 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Potitus, Medullinus, Lactucinus, Fidenas, Camillus and Cornutus (or, less frequently, year 356 '' Ab urbe condita''). T ...

398th Air Expeditionary Group
The 398th Air Expeditionary Group is a provisional United States Air Force unit assigned to the United States Air Forces in Europe. The 398 AEG may be activated or inactivated at any time. During World War II, its predecessor unit, the 398th Bombardment Group (Heavy) was an Eighth Air Force B-17 Flying Fortress unit in England, stationed at RAF Nuthampstead. The group flew 195 combat missions, the last being on 25 April 1945. History World War II The group was constituted as the 398th Bombardment Group (Heavy) on 15 February 1943, and equipped with the B-17 Flying Fortress. It was activated 1 March 1943 at Ephrata Army Air Base, Wash., with the 600th, 601st, 602d, and 603d Bombardment Squadrons. The Group assembled at Blythe Army Airfield, California, and then moved to Geiger Field, Washington, on 20 April 1943 to complete training. On 20 June 1943 moved to Rapid City Army Air Base, South Dakota, to take up Replacement Training Unit duties. Trained 326 B-17 crews from Aug ...
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398th Bombardment Squadron
398th may refer to: *398th Air Expeditionary Group, provisional United States Air Force unit assigned to the United States Air Forces in Europe * 398th Bombardment Squadron, inactive United States Air Force unit last assigned with the 92d Operations Group at Fairchild Air Force Base, Washington * 398th Fighter-Interceptor Squadron, inactive United States Air Force unit, last assigned to the Air Defense Command stationed at Hamilton AFB, California See also * 398 (number) * 398, the year 398 (CCCXCVIII) of the Julian calendar *398 BC __NOTOC__ Year 398 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Potitus, Medullinus, Lactucinus, Fidenas, Camillus and Cornutus (or, less frequently, year 356 '' Ab urbe condita''). T ...

398th Fighter-Interceptor Squadron
The 398th Fighter-Interceptor Squadron is an inactive United States Air Force unit, last assigned to the Air Defense Command, being stationed at Hamilton AFB, California. The squadron was inactivated on 8 February 1957. History Air defense and replacement training until March 1944, and afterward replacement training plus air support for army maneuvers until August 1945. The 398th FIS was activated in November 1956 at Hamilton AFB and scheduled to receive F-104s. Before personnel or equipment were in place, the unit was inactivated on 18 February 1957. Lineage * Constituted 398th Fighter Squadron on 26 May 1943 : Activated on 1 August 1943 : Redesignated: 398th Fighter-Bomber Squadron on 5 April 1944 : Redesignated: 398th Fighter Squadron on 5 June 1944 : Inactivated on 7 November 1945 * Redesignated: 398th Fighter-Interceptor Squadron on 18 September 1956 : Activated on 18 November 1956 : Inactivated on 8 February 1957. Assignments * '' 369th Fighter (later Fighter-Bomber; Fig ...
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398 (number)
300 (three hundred) is the natural number following 299 and preceding 301. Mathematical properties The number 300 is a triangular number and the sum of a pair of twin primes (149 + 151), as well as the sum of ten consecutive primes (13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47). It is palindromic in 3 consecutive bases: 30010 = 6067 = 4548 = 3639, and also in base 13. Factorization is 30064 + 1 is prime Other fields Three hundred is: * In bowling, a perfect score, achieved by rolling strikes in all ten frames (a total of twelve strikes) * The lowest possible Fair Isaac credit score * Three hundred ft/s is the maximum legal speed of a shot paintball * In the Hebrew Bible, the size of the military force deployed by the Israelite judge Gideon against the Midianites () * According to Islamic tradition, 300 is the number of ancient Israeli king Thalut's soldiers victorious against Goliath's soldiers * According to Herodotus, 300 is the number of ancient Spartan ...
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