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VAN KAMPEN U.S. GOVERNMENT FUND
SUPPLEMENT DATED JANUARY 4, 2000
TO THE PROSPECTUS DATED APRIL 30, 1999
AS PREVIOUSLY SUPPLEMENTED MAY 3, 1999
AND OCTOBER 8, 1999
The section of the Prospectus entitled "INVESTMENT ADVISORY
SERVICES -- PORTFOLIO MANAGEMENT" is hereby deleted in its entirety and replaced
with the following section entitled "INVESTMENT ADVISORY SERVICES -- PORTFOLIO
MANAGEMENT".
John R. Reynoldson, Barbara M. Downey and Ted V. Mundy III are co-managers
responsible for the day-to-day management of the Fund's investment portfolio.
Mr. Reynoldson has been Senior Vice President of Asset Management since July
1991 and Senior Vice President of the Adviser since June 1995. Mr. Reynoldson
has been a co-manager of the Fund since January 2000.
Barbara M. Downey has been Vice President of the Adviser since 1996. Prior
to 1996, Ms. Downey spent about two years as a Vice President and Senior
Portfolio Manager at CSI Asset Management, Inc. Ms. Downey has been a co-manager
of the Fund since April 1998.
Ted V. Mundy III has been Vice President of Asset Management since
September 1994 and Vice President of the Adviser since June 1995. Mr. Mundy has
been a co-manager of the Fund since January 2000.
