Exhibit 99.2

                             CERTIFICATION PURSUANT
                              TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002


         In connection with the quarterly report of Engineered Support Systems,
Inc. (the "Company") on Form 10-Q for the period ended January 31, 2003 (the
"Report"), I, Gary C. Gerhardt, Vice Chairman - Administration and Chief
Financial Officer of the Company, certify, pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 that:

             (1)  The Report complies with Sections 13(a) and 15(d) of the
                  Securities Exchange Act of 1934; and,

             (2)  The information contained in the Report fairly presents, in
                  all material respects, the financial condition and results
                  of operations of the Company.

Date: March 17, 2003
      --------------

By:   /s/ Gary C. Gerhardt
      ------------------------------
      Gary C. Gerhardt
      Vice Chairman - Administration
      and Chief Financial Officer





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