398th may refer to:
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398th Air Expeditionary Group, provisional United States Air Force unit assigned to the United States Air Forces in Europe
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398th Bombardment Squadron, inactive United States Air Force unit last assigned with the 92d Operations Group at Fairchild Air Force Base, Washington
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398th Fighter-Interceptor Squadron, inactive United States Air Force unit, last assigned to the Air Defense Command stationed at Hamilton AFB, California
See also
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398 (number)
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398, the year 398 (CCCXCVIII) of the Julian calendar
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398 BC
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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 ...
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