POWER OF ATTORNEY



         I, Raymond T. Tate, by this means appoint Kimberly J. DeChello, of
Essex Corporation, 9150 Guilford Road, city of Columbia, county of Howard, state
of Maryland, with full power and authority to sign, execute, and acknowledge
U.S. Securities and Exchange Commission documents as fully and to the same
extent as if such U.S. Securities and Exchange Commission documents were signed
by self, and U.S. Securities and Exchange Commission documents ratifies and
confirms all the acts of such attorney in fact done pursuant to the power
conferred here.






/s/ Raymond T. Tate                                  02/28/2005
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Raymond T. Tate                             Date



/s/ Kimberly J. DeChello                             02/28/2005
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Kimberly J. DeChello                        Date