Exhibit 32.1

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Anteon International Corporation (the
"Company") on Form 10-K for the period ended December 31, 2005, as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Joseph M. Kampf, President and Chief Executive Officer of the Company, certify
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

     (1). The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934, as amended; and

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

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.


Date:  March 16, 2006                By:/s/: Joseph M. Kampf
       ---------------------             --------------------------------------
                                         Joseph M. Kampf
                                         President and Chief Executive Officer



This certification accompanies the Report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not be deemed filed by the Company for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or
otherwise subject to the liability of that section. This certification shall
also not be deemed incorporated by reference into any filing under the
Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as
amended, except to the extent that the Company specifically incorporates it by
reference.