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United States Army Warrant Officer Career College's motto is 'Strength in Knowledge'.
CW2 may refer to any of the following:
there are 3 categories enlisted, officer and warrant officer go to goarmy.com to see all the ranks
WO2 (Warrant Officer 2nd Grade) - WO1 (Warrant Officer 1st Grade) - CWO (Chief Warrant Officer).
Warrant officer