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 (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:  07-28-04                                      /S/ 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 (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:  07-28-04                                        /S/ DAVID HOLMES
       --------                                        ----------------
                                                       David Holmes
                                                       Treasurer