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                     SECURITIES AND EXCHANGE COMMISSION

                            Washington, DC 20549

                             Amendment No. 1 to

                                  FORM 10-Q

                 Quarterly Report under Section 13 or 15 (d)

                   of the Securities Exchange Act of 1934

For the six months ended April 30, 2003           Commission file number 0-13880

                      ENGINEERED SUPPORT SYSTEMS, INC.
           (Exact name of Registrant as specified in its charter)

         Missouri                                        43-1313242
(State of Incorporation)                    (IRS Employer Identification Number)

   201 Evans Lane, St. Louis, Missouri                                   63121
(Address of principal executive offices)                              (Zip Code)

Registrant's telephone number including area code: (314) 553-4000

         Indicate by check mark whether the Registrant (1) has filed all
reports required to be filed by Section 13 or 15 (d) of the Securities Exchange
Act of 1934 during the preceding 12 months (or for such shorter period that the
Registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes  X  No
                                              ---    ---

         Indicate by check mark whether the Registrant is an accelerated filer
(as defined by Rule 12b-2 of the Exchange Act). Yes  X  No
                                                    ---    ---

         The number of shares of the Registrant's common stock, $.01 par value,
outstanding at May 30, 2003 was 16,123,957.




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         The purpose of this amendment is to include the final Employment
Agreement with Gerald E. Daniels dated April 1, 2003.







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                                   PART II
                              OTHER INFORMATION

Items 1-5 Not applicable.

Item 6 Exhibits and Reports on Form 8-K.

       (a)        Exhibits
                  4.       Credit Agreement dated as of April 23, 2003 among
                           Engineered Support Systems, Inc., Bank of
                           America, N.A. and the Other Lenders Party Hereto

                  10.      Employment Agreement with Gerald E. Daniels dated
                           April 1, 2003*

                  11.      Statement Re: Computation of Earnings Per Share

                  99.1     Certification of Chief Executive Officer

                  99.2     Certification of Chief Financial Officer
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*Filed herewith.

       (b)        During the quarter ended April 30, 2003, the Company filed
                  the following reports on Form 8-K:

                  (1)   Form 8-K dated March 6, 2003 regarding announcement
                        of a non-binding letter of intent to purchase all of
                        the outstanding stock of Technical and Management
                        Services Corporation (TAMSCO).

                  (2)   Form 8-K dated April 2, 2003 regarding the Company's
                        restructuring plan for its Sanford, Florida
                        facility.

                  (3)   Form 8-K dated April 21, 2003 regarding completion
                        of of the sale of Engineered Specialty Plastics,
                        Inc.




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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.




                                      ENGINEERED SUPPORT SYSTEMS, INC.

Date:      June 16, 2003                 By: /s/ Gerald E. Daniels
      -----------------------                -------------------------------
                                                 Gerald E. Daniels
                                                 Vice Chairman and
                                                 Chief Executive Officer


Date:      June 16, 2003                 By: /s/ Gary C. Gerhardt
      -----------------------                -------------------------------
                                                 Gary C. Gerhardt
                                                 Vice Chairman and Chief
                                                 Financial Officer