<PAGE> PAGE 1
000 A000000 06/30/98
000 C000000 739714
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 VKAC U.S. GOVERNMENT TRUST
001 B000000 811-3590
001 C000000 6306846000
002 A000000 ONE PARKVIEW PLAZA
002 B000000 OAKBROOK TERRACE
002 C000000 IL
002 D010000 60181
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
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007 C010100 1
007 C020100 VKAC U.S. GOVERNMENT FUND
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007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
014 A00AA01 MORGAN STANLEY & CO., INCORPORATED
014 B00AA01 8-00733537
014 A00AA02 DEAN WITTER REYNOLDS, INC.
014 B00AA02 8-00728181
020 A000001 AUTRANET
020 B000001 13-2961507
020 C000001 3
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 3
<PAGE> PAGE 2
022 A000001 UBS SECURITIES
022 B000001 13-2932996
022 C000001 27717362
022 D000001 0
022 A000002 FUJI SECURITIES
022 B000002 36-2880742
022 C000002 7215368
022 D000002 0
022 A000003 PAINE WEBBER
022 B000003 13-2638166
022 C000003 6659786
022 D000003 231862
022 A000004 STATE STREET BANK & TRUST
022 B000004 04-1867445
022 C000004 5648084
022 D000004 0
022 A000005 FIRST CHICAGO CAPITAL MKTS
022 B000005 36-3595942
022 C000005 3050127
022 D000005 0
022 A000006 GOLDMAN SACHS
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022 C000006 1257963
022 D000006 848174
022 A000007 J.P. MORGAN
022 B000007 13-3224016
022 C000007 1655284
022 D000007 0
022 A000008 SALOMON BROTHERS
022 B000008 13-3082694
022 C000008 808324
022 D000008 817753
022 A000009 LEHMAN BROTHERS
022 B000009 13-2518466
022 C000009 505734
022 D000009 404328
022 A000010 BEAR STEARNS
022 B000010 13-3299429
022 C000010 380996
022 D000010 521889
023 C000000 56007352
023 D000000 3372702
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
<PAGE> PAGE 3
027 000000 Y
077 A000000 Y
077 B000000 N
077 C000000 Y
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
083 A00AA00 N
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084 B00AA00 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
008 A000101 VAN KAMPEN AMERICAN CAPITAL INVESTMENT ADVISO
008 B000101 A
008 C000101 801-18161
008 D010101 OAKBROOK TERRACE
008 D020101 IL
008 D030101 60181
010 A000101 VAN KAMPEN AMERICAN CAPITAL U.S. GOVT. FUND
010 C010101 OAKBROOK TERRACE
010 C020101 IL
010 C030101 60181
011 A000101 VAN KAMPEN AMERICAN CAPITAL DISTRIBUTORS INC.
011 B000101 8-19412
011 C010101 OAKBROOK TERRACE
011 C020101 IL
011 C030101 60181
<PAGE> PAGE 4
012 A000101 ACCESS INVESTOR SERVICES, INC.
012 B000101 85-5003
012 C010101 KANSAS CITY
012 C020101 MO
012 C030101 64141
012 C040101 9256
013 A000101 KPMG PEAT MARWICK LLP
013 B010101 CHICAGO
013 B020101 IL
013 B030101 60601
015 A000101 STATE STREET BANK AND TRUST COMPANY
015 B000101 C
015 C010101 BOSTON
015 C020101 MA
015 C030101 02105
015 E010101 X
018 000100 Y
019 A000100 Y
019 B000100 117
019 C000100 VANKAMPENA
024 000100 Y
025 A000101 J.P. MORGAN
025 B000101 13-3224016
025 C000101 D
025 D000101 50721
025 A000102 UBS SECURITIES
025 B000102 13-2932996
025 C000102 D
025 D000102 65000
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 5501
028 A020100 7454
028 A030100 0
028 A040100 34180
028 B010100 6619
028 B020100 7425
028 B030100 0
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028 C010100 6324
028 C020100 7346
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028 D010100 7156
028 D020100 7293
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<PAGE> PAGE 5
028 E010100 7691
028 E020100 7245
028 E030100 0
028 E040100 31901
028 F010100 16938
028 F020100 7200
028 F030100 0
028 F040100 42472
028 G010100 50229
028 G020100 43963
028 G030100 0
028 G040100 212572
028 H000100 33702
029 000100 Y
030 A000100 487
030 B000100 4.75
030 C000100 0.00
031 A000100 63
031 B000100 0
032 000100 424
033 000100 0
034 000100 Y
035 000100 379
036 A000100 Y
036 B000100 0
037 000100 N
038 000100 0
039 000100 N
040 000100 Y
041 000100 Y
042 A000100 0
042 B000100 0
042 C000100 34
042 D000100 66
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 3909
044 000100 0
045 000100 Y
046 000100 N
047 000100 Y
048 000100 0.000
048 A010100 500000
048 A020100 0.550
048 B010100 500000
048 B020100 0.525
048 C010100 2000000
048 C020100 0.500
048 D010100 2000000
<PAGE> PAGE 6
048 D020100 0.475
048 E010100 2000000
048 E020100 0.450
048 F010100 2000000
048 F020100 0.425
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 9000000
048 K020100 0.400
049 000100 N
050 000100 N
051 000100 N
052 000100 N
053 A000100 N
054 A000100 Y
054 B000100 N
054 C000100 N
054 D000100 N
054 E000100 N
054 F000100 N
054 G000100 Y
054 H000100 N
054 I000100 Y
054 J000100 N
054 K000100 N
054 L000100 N
054 M000100 N
054 N000100 N
054 O000100 N
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
058 A000100 N
059 000100 Y
060 A000100 Y
060 B000100 Y
061 000100 500
062 A000100 Y
062 B000100 0.0
062 C000100 5.0
062 D000100 4.6
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
<PAGE> PAGE 7
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 24.8
062 N000100 69.8
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 0
063 B000100 4.9
064 A000100 N
064 B000100 N
066 A000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 Y
070 A020100 Y
070 B010100 N
070 B020100 N
070 C010100 Y
070 C020100 Y
070 D010100 N
070 D020100 N
070 E010100 Y
070 E020100 Y
070 F010100 N
070 F020100 N
070 G010100 Y
070 G020100 Y
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 N
070 K020100 N
070 L010100 N
070 L020100 N
070 M010100 N
070 M020100 N
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 N
<PAGE> PAGE 8
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 264884
071 B000100 278930
071 C000100 2003998
071 D000100 13
072 A000100 6
072 B000100 89147
072 C000100 0
072 D000100 0
072 E000100 2943
072 F000100 6565
072 G000100 0
072 H000100 0
072 I000100 1574
072 J000100 338
072 K000100 0
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072 M000100 37
072 N000100 0
072 O000100 0
072 P000100 288
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072 R000100 32
072 S000100 33
072 T000100 3859
072 U000100 0
072 V000100 0
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072 X000100 12978
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<PAGE> PAGE 9
074 F000100 0
074 G000100 0
074 H000100 0
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074 J000100 2229
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074 L000100 21034
074 M000100 330
074 N000100 2636027
074 O000100 112856
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074 R040100 14662
074 S000100 0
074 T000100 2505990
074 U010100 148238
074 U020100 23098
074 V010100 14.55
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SIGNATURE NICK DALMASO
TITLE ATTORNEY
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 11
<NAME> U.S. GOVT CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 2,550,696,769 <F1>
<INVESTMENTS-AT-VALUE> 2,612,433,884 <F1>
<RECEIVABLES> 23,263,298 <F1>
<ASSETS-OTHER> 329,332 <F1>
<OTHER-ITEMS-ASSETS> 0 <F1>
<TOTAL-ASSETS> 2,636,026,514 <F1>
<PAYABLE-FOR-SECURITIES> 112,856,250 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 17,180,716 <F1>
<TOTAL-LIABILITIES> 130,036,966 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,318,000,835
<SHARES-COMMON-STOCK> 148,237,949
<SHARES-COMMON-PRIOR> 154,862,967
<ACCUMULATED-NII-CURRENT> 781,690 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (264,052,323)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 61,674,602 <F1>
<NET-ASSETS> 2,156,281,370
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 89,147,461 <F1>
<OTHER-INCOME> 2,942,852 <F1>
<EXPENSES-NET> (12,978,720)<F1>
<NET-INVESTMENT-INCOME> 79,111,593 <F1>
<REALIZED-GAINS-CURRENT> 15,274,535 <F1>
<APPREC-INCREASE-CURRENT> (20,424,283)<F1>
<NET-CHANGE-FROM-OPS> 73,961,845 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (76,469,457)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,308,381
<NUMBER-OF-SHARES-REDEEMED> (11,580,501)
<SHARES-REINVESTED> 2,647,102
<NET-CHANGE-IN-ASSETS> (108,505,109)
<ACCUMULATED-NII-PRIOR> 9,233,367 <F1>
<ACCUMULATED-GAINS-PRIOR> (279,326,858)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 6,564,936 <F1>
<INTEREST-EXPENSE> 288,265 <F1>
<GROSS-EXPENSE> 12,978,720 <F1>
<AVERAGE-NET-ASSETS> 2,210,909,013
<PER-SHARE-NAV-BEGIN> 14.624
<PER-SHARE-NII> 0.459
<PER-SHARE-GAIN-APPREC> (0.032)
<PER-SHARE-DIVIDEND> (0.505)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 14.546
<EXPENSE-RATIO> 0.88
<AVG-DEBT-OUTSTANDING> 0 <F1>
<AVG-DEBT-PER-SHARE> 0 <F1>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 12
<NAME> U.S. GOVT CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 2,550,696,769 <F1>
<INVESTMENTS-AT-VALUE> 2,612,433,884 <F1>
<RECEIVABLES> 23,263,298 <F1>
<ASSETS-OTHER> 329,332 <F1>
<OTHER-ITEMS-ASSETS> 0 <F1>
<TOTAL-ASSETS> 2,636,026,514 <F1>
<PAYABLE-FOR-SECURITIES> 112,856,250 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 17,180,716 <F1>
<TOTAL-LIABILITIES> 130,036,966 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 374,678,607
<SHARES-COMMON-STOCK> 23,097,565
<SHARES-COMMON-PRIOR> 24,572,368
<ACCUMULATED-NII-CURRENT> 781,690 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (264,052,323)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 61,674,602 <F1>
<NET-ASSETS> 335,597,658
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 89,147,461 <F1>
<OTHER-INCOME> 2,942,852 <F1>
<EXPENSES-NET> (12,978,720)<F1>
<NET-INVESTMENT-INCOME> 79,111,593 <F1>
<REALIZED-GAINS-CURRENT> 15,274,535 <F1>
<APPREC-INCREASE-CURRENT> (20,424,283)<F1>
<NET-CHANGE-FROM-OPS> 73,961,845 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (10,670,939)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 928,435
<NUMBER-OF-SHARES-REDEEMED> (2,754,010)
<SHARES-REINVESTED> 350,772
<NET-CHANGE-IN-ASSETS> (23,389,643)
<ACCUMULATED-NII-PRIOR> 9,233,367 <F1>
<ACCUMULATED-GAINS-PRIOR> (279,326,858)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 6,564,936 <F1>
<INTEREST-EXPENSE> 288,265 <F1>
<GROSS-EXPENSE> 12,978,720 <F1>
<AVERAGE-NET-ASSETS> 348,275,894
<PER-SHARE-NAV-BEGIN> 14.609
<PER-SHARE-NII> 0.397
<PER-SHARE-GAIN-APPREC> (0.029)
<PER-SHARE-DIVIDEND> (0.447)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 14.530
<EXPENSE-RATIO> 1.70
<AVG-DEBT-OUTSTANDING> 0 <F1>
<AVG-DEBT-PER-SHARE> 0 <F1>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 13
<NAME> U.S. GOVT CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 2,550,696,769 <F1>
<INVESTMENTS-AT-VALUE> 2,612,433,884 <F1>
<RECEIVABLES> 23,263,298 <F1>
<ASSETS-OTHER> 329,332 <F1>
<OTHER-ITEMS-ASSETS> 0 <F1>
<TOTAL-ASSETS> 2,636,026,514 <F1>
<PAYABLE-FOR-SECURITIES> 112,856,250 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 17,180,716 <F1>
<TOTAL-LIABILITIES> 130,036,966 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 14,906,137
<SHARES-COMMON-STOCK> 971,341
<SHARES-COMMON-PRIOR> 971,893
<ACCUMULATED-NII-CURRENT> 781,690 <F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (264,052,323)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> 61,674,602 <F1>
<NET-ASSETS> 14,110,520
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 89,147,461 <F1>
<OTHER-INCOME> 2,942,852 <F1>
<EXPENSES-NET> (12,978,720)<F1>
<NET-INVESTMENT-INCOME> 79,111,593 <F1>
<REALIZED-GAINS-CURRENT> 15,274,535 <F1>
<APPREC-INCREASE-CURRENT> (20,424,283)<F1>
<NET-CHANGE-FROM-OPS> 73,961,845 <F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (422,874)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 204,580
<NUMBER-OF-SHARES-REDEEMED> (219,410)
<SHARES-REINVESTED> 14,278
<NET-CHANGE-IN-ASSETS> (86,655)
<ACCUMULATED-NII-PRIOR> 9,233,367 <F1>
<ACCUMULATED-GAINS-PRIOR> (279,326,858)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 6,564,936 <F1>
<INTEREST-EXPENSE> 288,265 <F1>
<GROSS-EXPENSE> 12,978,720 <F1>
<AVERAGE-NET-ASSETS> 13,827,579
<PER-SHARE-NAV-BEGIN> 14.608
<PER-SHARE-NII> 0.399
<PER-SHARE-GAIN-APPREC> (0.033)
<PER-SHARE-DIVIDEND> (0.447)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 14.527
<EXPENSE-RATIO> 1.70
<AVG-DEBT-OUTSTANDING> 0 <F1>
<AVG-DEBT-PER-SHARE> 0 <F1>
</TABLE>
