SECTION 906 CERTIFICATION

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


Name of Issuer:  USAA INVESTMENT TRUST

In connection with the Annual Report on Form N-CSR/A (Report) of the above-named
issuer for the Funds for the fiscal period ended May 31, 2004, the undersigned
hereby certifies, that:

1.       The Report fully complies with the requirements of Section 13(a) or
         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 issuer.


Date:  October 26, 2004                          CHRISTOPHER W. CLAUS
       -----------------------                   -------------------------------
                                                 Christopher W. Claus
                                                 President









                            SECTION 906 CERTIFICATION

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


Name of Issuer:  USAA INVESTMENT TRUST

In connection with the Annual Report on Form N-CSR/A (Report) of the above-named
issuer for the Funds for the fiscal period ended May 31, 2004, the undersigned
hereby certifies, that:

1.       The Report fully complies with the requirements of Section 13(a) or
         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 issuer.



Date:  October 26, 2004                          DAVID HOLMES
       -----------------------                   -------------------------------
                                                 David Holmes
                                                 Treasurer