Exhibit 32.1

                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER

         Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, the undersigned officer of ViaSat, Inc. (the
"Company") hereby certifies, to such officer's knowledge, that:

          (a)  the accompanying Quarterly Report on Form 10-Q of the Company for
     the quarterly period ended January 2, 2004 (the "Report") fully complies
     with the requirements of Section 13(a) or Section 15(d), as applicable, of
     the Securities Exchange Act of 1934, as amended; and

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

     Dated: February 2, 2004                         /s/ MARK D. DANKBERG
                                                     ---------------------
                                                     Mark D. Dankberg
                                                     Chief Executive Officer

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER

         Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, the undersigned officer of ViaSat, Inc. (the
"Company") hereby certifies, to such officer's knowledge, that:

          (a)  the accompanying Quarterly Report on Form 10-Q of the Company for
     the quarterly period ended January 2, 2004 (the "Report") fully complies
     with the requirements of Section 13(a) or Section 15(d), as applicable, of
     the Securities Exchange Act of 1934, as amended; and

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

Dated: February 2, 2004                     /s/ RONALD G. WANGERIN
                                            -----------------------
                                            Ronald G. Wangerin
                                            Chief Financial Officer

The foregoing certifications are being furnished solely to accompany the Report
pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended, and are not to be
incorporated by reference into any filing of the Company, whether made before or
after the date hereof, regardless of any general incorporation language in such
filing.

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.