U has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of U in Governmental & Military.
The device in the upper canton of an ensign or flag Short name for the Union Jack, or the stars device of USA ensign.
Governmental & MilitaryA code meaning "information not available. An unidentified target. An aircraft or ship that has not been determined to be hostile, friendly, or neutral using identification friend or foe and other techniques, but that must be tracked by air defense or naval engagement systems.
Governmental & MilitaryInformation that has not been determined pursuant to E.O. 12958 or any predecessor order to require protection against unauthorized disclosure and that is not designated as classified.
Governmental & MilitaryA nickname that identifies a user to a computer system and other users.
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