331st may refer to:
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331st Air Expeditionary Group
The 331st Bombardment Group is an inactive United States Air Force unit. It was last assigned to the 315th Bombardment Wing, being stationed at Northwest Field, Guam. It was inactivated on 15 April 1946.
During World War II, the unit was init ...
, inactive United States Air Force unit
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331st Fighter-Interceptor Squadron
The 331st Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with Air Defense Command at Webb Air Force Base, Texas, where it was inactivated on 1 March 1967.
During World War II the squadron was a ...
, former unit of the United States Air Force
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331st Guards Airborne Regiment
The 331st Guards Airborne Regiment is a formation of the Russian Airborne Troops. Being a part of the 98th Guards Airborne Division; the regiment was considered to be one of Russia's elite units until the 2022 Russian invasion of Ukraine when it su ...
, formation of the Russian Airborne Troops, part of the 98th Guards Airborne Division
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330th Rifle Division (Soviet Union)
The 330th Rifle Division was formed as an infantry division of the Red Army late in the summer of 1941, as part of the massive buildup of new Soviet fighting formations at that time. It took part in the defense of Tula in 10th Army soon after reach ...
, former infantry division of the Red Army in summer 1941
See also
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331 (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 ...
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331
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Year 331 (Roman numerals, CCCXXXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Bassus and Ablabius (or, less frequent ...
, the year 331 (CCCXXXI) of the Julian calendar
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