POWER OF ATTORNEY



         I, Jeffrey Yorsz, by this means appoint Kimberly J. DeChello, of Essex
Corporation, 6708 Alexander Bell Drive, 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/ Jeffrey Yorsz                                    10/02/2006
Jeffrey Yorsz                                        Date



/s/ Kimberly J. DeChello                             10/02/2006
Kimberly J. DeChello                                 Date