398th may refer to:
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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 Bo ...
, 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
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Year 398 ( CCCXCVIII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Eutychianus (or, less frequently, year 1151 ''Ab urbe condita''). The denomin ...
, the year 398 (CCCXCVIII) of the Julian calendar
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398 BC
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